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A022656
Expansion of Product_{m>=1} (1+m*q^m)^28.
2
1, 28, 434, 4928, 45619, 363804, 2584078, 16712728, 99967861, 559436136, 2954968758, 14835042600, 71185664242, 327991293140, 1456679962528, 6256129706904, 26054952884072, 105476694483636, 415919297844582
OFFSET
0,2
LINKS
MATHEMATICA
With[{nmax=50}, CoefficientList[Series[Product[(1+m*q^m)^28, {m, 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)^28)) \\ G. C. Greubel, Jul 18 2018
(Magma) Coefficients(&*[(1+m*x^m)^28:m in [1..40]])[1..50] where x is PolynomialRing(Integers()).1; // G. C. Greubel, Jul 18 2018
CROSSREFS
Sequence in context: A096949 A093974 A121803 * A154588 A125485 A054337
KEYWORD
nonn
STATUS
approved