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A285737 Expansion of Product_{k>=1} (1 + k^2*x^k)^k. 2
1, 1, 8, 35, 107, 421, 1312, 4474, 13622, 43977, 130473, 388025, 1146640, 3265446, 9352424, 26033637, 72144351, 196664848, 532768901, 1422725368, 3768251677, 9893857617, 25709347054, 66367179293, 169754459790, 431237516979, 1086813719408, 2722241654623 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,3

LINKS

Table of n, a(n) for n=0..27.

MATHEMATICA

nmax=40; CoefficientList[Series[Product[(1+k^2*x^k)^k, {k, 1, nmax}], {x, 0, nmax}], x]

CROSSREFS

Cf. A026007, A092484, A266891, A285674.

Sequence in context: A212674 A279743 A189592 * A244882 A006600 A161456

Adjacent sequences:  A285734 A285735 A285736 * A285738 A285739 A285740

KEYWORD

nonn

AUTHOR

Vaclav Kotesovec, Apr 25 2017

STATUS

approved

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Last modified February 21 10:51 EST 2018. Contains 299390 sequences. (Running on oeis4.)