The On-Line Encyclopedia of Integer Sequences (OEIS)

Revision History for A331135 (Bold, blue-underlined text is an addition; faded, red-underlined text is a ~~deletion~~.)
Showing entries 1-10 | older changes

A331135

a(n) = Sum_{primes p <= n} r_2(p-1)/4, where r_2(n) = A004018(n).
(history; published version)

#19 by OEIS Server at Tue Apr 23 08:28:30 EDT 2024

LINKS

Amiram Eldar, <a href="/A331135/b331135_1.txt">Table of n, a(n) for n = 1..10000</a>

#18 by Michael De Vlieger at Tue Apr 23 08:28:30 EDT 2024

STATUS

reviewed

approved

Discussion

Tue Apr 23

08:28

OEIS Server: Installed first b-file as b331135.txt.

#17 by Joerg Arndt at Tue Apr 23 04:02:54 EDT 2024

STATUS

proposed

reviewed

#16 by Amiram Eldar at Tue Apr 23 03:28:53 EDT 2024

STATUS

editing

proposed

#15 by Amiram Eldar at Tue Apr 23 03:06:19 EDT 2024

MATHEMATICA

Accumulate[Table[If[PrimeQ[n], SquaresR[2, n-1], 0], {n, 1, 100}]/4] (* Amiram Eldar, Apr 23 2024 *)

#14 by Amiram Eldar at Tue Apr 23 03:05:28 EDT 2024

MATHEMATICA

Accumulate[Table[If[PrimeQ[n], SquaresR[2, n-1], 0], {n, 1, 100}]/4] (* Amiram Eldar, Apr 23 2024 *)

#13 by Amiram Eldar at Tue Apr 23 03:05:23 EDT 2024

MATHEMATICA

Accumulate[Table[If[PrimeQ[n], SquaresR[2, n-1], 0], {n, 1, 100}]/4] (* Amiram Eldar, Apr 23 2024 *)

#12 by Amiram Eldar at Tue Apr 23 03:03:21 EDT 2024

LINKS

Amiram Eldar, <a href="/A331135/b331135_1.txt">Table of n, a(n) for n = 1..10000</a>

STATUS

approved

editing

#11 by Susanna Cuyler at Sat Jan 11 15:29:51 EST 2020

STATUS

reviewed

approved

#10 by Andrew Howroyd at Sat Jan 11 11:56:33 EST 2020

STATUS

proposed

reviewed