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 A022644 Expansion of Product_{m>=1} (1 + m*q^m)^16. 3
 1, 16, 152, 1120, 6972, 38368, 191968, 889184, 3862214, 15881616, 62275840, 234205472, 848652120, 2974133152, 10112507808, 33448941824, 107874784017, 339879773648, 1047953793136, 3166817754880, 9391718326404, 27366626142688, 78435144301696, 221322772710464, 615375631077094 (list; graph; refs; listen; history; text; internal format)
 OFFSET 0,2 LINKS G. C. Greubel, Table of n, a(n) for n = 0..1000 MAPLE [seq(coeff(series(mul((1+m*q^m)^(16), m=1..100), q, 101), q, j), j=0..25)]; # Muniru A Asiru, Feb 18 2018 MATHEMATICA With[{nmax = 50}, CoefficientList[Series[Product[(1 + k*q^k)^16, {k, 1, nmax}], {q, 0, nmax}], q]] (* G. C. Greubel, Feb 17 2018 *) PROG (PARI) m=50; q='q+O('q^m); Vec(prod(n=1, m, (1+n*q^n)^16)) \\ G. C. Greubel, Feb 17 2018 (Magma) Coefficients(&*[(1+m*x^m)^16:m in [1..40]])[1..40] where x is PolynomialRing(Integers()).1; // G. C. Greubel, Feb 17 2018 CROSSREFS Column k=16 of A297321. Sequence in context: A225915 A023014 A073384 * A297090 A279323 A224737 Adjacent sequences: A022641 A022642 A022643 * A022645 A022646 A022647 KEYWORD nonn AUTHOR STATUS approved

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Last modified March 27 18:55 EDT 2023. Contains 361575 sequences. (Running on oeis4.)