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#5 by Charles R Greathouse IV at Mon Apr 03 10:36:13 EDT 2023
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| LINKS
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G. L. Honaker, Jr. and Chris Caldwell, <a href="httphttps://primes.utmt5k.eduorg/curios/cpage/7079.html">10000...44239 (100-digits)</a>
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Discussion
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Mon Apr 03
| 10:36
| OEIS Server: https://oeis.org/edit/global/2966
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#4 by T. D. Noe at Mon Jun 17 13:22:35 EDT 2013
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#3 by Arkadiusz Wesolowski at Sun Jun 16 12:37:53 EDT 2013
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#2 by Arkadiusz Wesolowski at Sun Jun 16 12:33:08 EDT 2013
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| NAME
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allocatedDifference between the smallest 10^n-digit Sophie Germain forprime Arkadiuszand Wesolowski10^(10^n - 1).
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| DATA
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1, 289, 44239, 2222239, 114862711
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| OFFSET
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0,2
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| LINKS
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G. L. Honaker, Jr. and Chris Caldwell, <a href="http://primes.utm.edu/curios/cpage/7079.html">10000...44239 (100-digits)</a>
Eric Weisstein's World of Mathematics, <a href="http://mathworld.wolfram.com/SophieGermainPrime.html">Sophie Germain Prime</a>
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| MATHEMATICA
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lst = {}; Do[s = 10^(10^n - 1); n = NextPrime[s]; While[! PrimeQ[2*n + 1], n = NextPrime[n]]; AppendTo[lst, n - s], {n, 0, 2}]; lst
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| CROSSREFS
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Cf. A005384.
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| KEYWORD
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allocated
base,hard,more,nonn
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| AUTHOR
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Arkadiusz Wesolowski, Jun 16 2013
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| STATUS
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approved
editing
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#1 by Arkadiusz Wesolowski at Sun Jun 16 12:33:08 EDT 2013
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| NAME
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allocated for Arkadiusz Wesolowski
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| KEYWORD
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allocated
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| STATUS
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approved
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