|
|
|
|
|
|
|
|
|
#12 by Bruno Berselli at Wed Apr 05 09:49:49 EDT 2017
|
|
|
|
|
|
|
|
#11 by Seiichi Manyama at Wed Apr 05 09:01:52 EDT 2017
|
|
|
|
|
|
|
|
#10 by Seiichi Manyama at Wed Apr 05 09:01:44 EDT 2017
|
|
| LINKS
|
Seiichi Manyama, <a href="/A022608/b022608.txt">Table of n, a(n) for n = 0..10000</a>
|
|
|
|
|
|
|
#9 by Seiichi Manyama at Wed Apr 05 08:47:19 EDT 2017
|
|
| NAME
|
Expansion of Product (_{m>=1} (1+q^m)^-)^(-13; m=1..inf.).
|
|
| AUTHOR
|
_N. J. A. Sloane_._
|
|
|
|
|
|
|
#8 by Seiichi Manyama at Wed Apr 05 08:42:19 EDT 2017
|
|
| FORMULA
|
a(0) = 1, a(n) = -(13/n)*Sum_{k=1..n} A000593(k)*a(n-k) for n > 0. - Seiichi Manyama, Apr 05 2017
|
|
| STATUS
|
approved
editing
|
|
|
|
|
|
|
#7 by Vaclav Kotesovec at Thu Aug 27 08:00:54 EDT 2015
|
|
|
|
|
|
|
|
#6 by Vaclav Kotesovec at Thu Aug 27 08:00:50 EDT 2015
|
|
| FORMULA
|
a(n) ~ (-1)^n * 13^(1/4) * exp(Pi*sqrt(13*n/6)) / (2^(7/4) * 3^(1/4) * n^(3/4)). - Vaclav Kotesovec, Aug 27 2015
|
|
| MATHEMATICA
|
nmax = 50; CoefficientList[Series[Product[1/(1 + x^k)^13, {k, 1, nmax}], {x, 0, nmax}], x] (* Vaclav Kotesovec, Aug 27 2015 *)
|
|
| STATUS
|
approved
editing
|
|
|
|
|
|
|
#5 by Russ Cox at Fri Mar 30 16:46:52 EDT 2012
|
|
| AUTHOR
|
_N. J. A. Sloane (njas(AT)research.att.com)._.
|
|
|
|
|
Discussion
|
| Fri Mar 30
| 16:46
| OEIS Server: https://oeis.org/edit/global/110
|
|
|
|
|
|
|
#4 by N. J. A. Sloane at Fri Feb 27 03:00:00 EST 2009
|
|
| KEYWORD
|
sign,new
sign
|
|
| AUTHOR
|
N. J. A. Sloane (njas(AT)research.att.com).
|
|
|
|
|
|
|
#3 by N. J. A. Sloane at Fri May 16 03:00:00 EDT 2003
|
|
| KEYWORD
|
sign,done,new
sign
|
|
|
|
|
|
