cp's OEIS Frontend

This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.

A022708 Expansion of Product_{m>=1} (1+m*q^m)^-16.

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%I A022708 #9 Jul 20 2018 06:03:55
%S A022708 1,-16,104,-352,772,-2144,8032,-21088,41034,-107728,320160,-703648,
%T A022708 1435960,-3611040,8707808,-18347392,39248691,-88070064,194779296,
%U A022708 -412179776,848638468,-1802931104,3862466240,-7869949440,15883030654
%N A022708 Expansion of Product_{m>=1} (1+m*q^m)^-16.
%H A022708 G. C. Greubel, <a href="/A022708/b022708.txt">Table of n, a(n) for n = 0..1000</a>
%t A022708 With[{nmax = 50}, CoefficientList[Series[Product[(1 + k*q^k)^-16, {k, 1, nmax}], {q, 0, nmax}], q]] (* _G. C. Greubel_, Jul 20 2018 *)
%o A022708 (PARI) m=50; q='q+O('q^m); Vec(prod(n=1,m,(1+n*q^n)^-16)) \\ _G. C. Greubel_, Jul 20 2018
%K A022708 sign,easy
%O A022708 0,2
%A A022708 _N. J. A. Sloane_