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A291696 Expansion of Product_{k>=1} (1-x^(k^2))^(k^2). 3

%I #6 Aug 30 2017 05:59:25

%S 1,-1,0,0,-4,4,0,0,6,-15,9,0,-4,40,-36,0,-15,-39,90,-36,64,-28,-180,

%T 144,-96,206,106,-300,148,-540,332,480,-232,610,-1029,-189,114,-86,

%U 1880,-1068,24,-921,-1545,2466,-300,2858,-1514,-3180,976,-4121,5590,1995

%N Expansion of Product_{k>=1} (1-x^(k^2))^(k^2).

%H Vaclav Kotesovec, <a href="/A291696/b291696.txt">Table of n, a(n) for n = 0..10000</a>

%t nmax = 100; CoefficientList[Series[Product[(1-x^(k^2))^(k^2), {k,1,nmax}], {x,0,nmax}], x]

%Y Cf. A073592, A291649, A291655.

%K sign

%O 0,5

%A _Vaclav Kotesovec_, Aug 30 2017

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Last modified March 28 18:04 EDT 2024. Contains 371254 sequences. (Running on oeis4.)