The On-Line Encyclopedia of Integer Sequences (OEIS)

Revision History for A282893 (Bold, blue-underlined text is an addition; faded, red-underlined text is a ~~deletion~~.)
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A282893

The difference between the number of partitions of 2n into odd parts (A000009) and the number of partitions of 2n into even parts (A035363).
(history; published version)

#23 by Charles R Greathouse IV at Fri Mar 12 22:24:48 EST 2021

LINKS

M. Michael Somos, <a href="/A010815/a010815.txt">Introduction to Ramanujan theta functions</a>

Discussion

Fri Mar 12

22:24

OEIS Server: https://oeis.org/edit/global/2897

#22 by N. J. A. Sloane at Wed Nov 13 21:58:51 EST 2019

LINKS

M. Somos, <a href="http://somos.crg4.comA010815/multiqa010815.htmltxt">Introduction to Ramanujan theta functions</a>

Discussion

Wed Nov 13

21:58

OEIS Server: https://oeis.org/edit/global/2832

#21 by Joerg Arndt at Tue Jun 27 05:22:07 EDT 2017

STATUS

reviewed

approved

#20 by Michel Marcus at Mon Jun 26 11:26:24 EDT 2017

STATUS

proposed

reviewed

#19 by Michael Somos at Mon Jun 26 10:00:56 EDT 2017

STATUS

editing

proposed

#18 by Michael Somos at Mon Jun 26 10:00:46 EDT 2017

PROG

(PARI) {a(n) = my(A); if( n<0, 0, A = x * O(x^n); polcoeff( sum(k=1, n, issquare(16*k + 1)*x^k, A) / eta(x + A), n))}; /* Michael Somos, Feb 24 2017 */

STATUS

approved

editing

Discussion

Mon Jun 26

10:00

Michael Somos: Added PARI.

#17 by Alois P. Heinz at Fri Feb 24 17:50:19 EST 2017

STATUS

editing

approved

#16 by Alois P. Heinz at Fri Feb 24 17:50:13 EST 2017

LINKS

Alois P. Heinz, <a href="/A282893/b282893.txt">Table of n, a(n) for n = 0..10000</a>

STATUS

approved

editing

#15 by Alois P. Heinz at Fri Feb 24 17:49:45 EST 2017

STATUS

proposed

approved

#14 by Alois P. Heinz at Fri Feb 24 16:42:33 EST 2017

STATUS

editing

proposed