login
A022676
Expansion of Product_{m >= 1} (1-m*q^m)^16.
2
1, -16, 88, -96, -836, 2592, 1824, -11616, -12858, 27248, 160064, -123168, -634664, -132000, 1016416, 4677376, 375569, -13049296, -24306064, -14447360, 115090052, 159327776, 10482048, -443275328, -1133277978
OFFSET
0,2
LINKS
MATHEMATICA
With[{nmax = 50}, CoefficientList[Series[Product[(1 - k*q^k)^16, {k, 1, nmax}], {q, 0, nmax}], q]] (* G. C. Greubel, Jul 18 2018 *)
PROG
(PARI) m=50; q='q+O('q^m); Vec(prod(n=1, m, (1-n*q^n)^16)) \\ G. C. Greubel, Jul 18 2018
(Magma) Coefficients(&*[(1-m*x^m)^16:m in [1..40]])[1..40] where x is PolynomialRing(Integers()).1; // G. C. Greubel, Jul 18 2018
CROSSREFS
Sequence in context: A352953 A070052 A203249 * A035291 A358084 A309271
KEYWORD
sign
STATUS
approved