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