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#13 by Harvey P. Dale at Fri Feb 24 12:15:24 EST 2023
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#12 by Harvey P. Dale at Fri Feb 24 12:15:21 EST 2023
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Harvey P. Dale, <a href="/A075673/b075673.txt">Table of n, a(n) for n = 1..1000</a>
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| STATUS
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approved
editing
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#11 by Harvey P. Dale at Fri Feb 24 12:13:53 EST 2023
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#10 by Harvey P. Dale at Fri Feb 24 12:13:50 EST 2023
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With[{nn=40}, Total/@TakeList[Mean/@Partition[Prime[Range[2, (nn(nn+1))/2+2]], 2, 1], Range[nn]]] (* Harvey P. Dale, Feb 24 2023 *)
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approved
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#9 by Russ Cox at Fri Mar 30 17:26:04 EDT 2012
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_Zak Seidov (zakseidov(AT)yahoo.com), _, Sep 24 2002
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Discussion
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| Fri Mar 30
| 17:26
| OEIS Server: https://oeis.org/edit/global/139
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#8 by N. J. A. Sloane at Tue Nov 08 11:48:52 EST 2011
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#7 by N. J. A. Sloane at Tue Nov 08 11:48:48 EST 2011
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#6 by N. J. A. Sloane at Fri Sep 29 03:00:00 EDT 2006
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Sum of next n primes in A007468. Sum of next n odd interpimesinterprimes in A075674. Sum of next n even interpimesinterprimes in A075675.
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nonn,new
nonn
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ZakirZak F. Seidov (zakseidov(AT)yahoo.com), Sep 24 2002
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#5 by N. J. A. Sloane at Fri Feb 24 03:00:00 EST 2006
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(* sum of next n integer interprimes*) i1 := n(n-1)/2+1; i2 := n(n-1)/2+n; Table[Sum[(Prime[i+2]+Prime[i+1])/2, {, {i, , i1, , i2}], {}], {n, , 1, , 40}]
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nonn,new
nonn
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#4 by N. J. A. Sloane at Sun Feb 20 03:00:00 EST 2005
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nonn,new
nonn
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Zakir F. Seidov (seidovzfzakseidov(AT)yahoo.com), Sep 24 2002
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