OFFSET
0,2
COMMENTS
LINKS
G. C. Greubel, Table of n, a(n) for n = 0..950
MAPLE
m:=25: seq(coeff(series(mul((1-x^(3*k)), k=1..m)/(1-x)^m, x, n+1), x, n), n=0..21); # Muniru A Asiru, Jul 07 2018
MATHEMATICA
CoefficientList[Series[Times@@Table[1-x^p, {p, 3, 75, 3}]/ (1-x)^25, {x, 0, 25}], x] (* Harvey P. Dale, Apr 06 2011 *)
PROG
(PARI) x='x+O('x^50); A = prod(k=1, 25, (1-x^(3*k)))/(1-x)^25; Vec(A) \\ G. C. Greubel, Jul 06 2018
(Magma) m:=50; R<x>:=PowerSeriesRing(Integers(), m); F:=(&*[(1-x^(3*k)): k in [1..25]])/(1-x)^25; Coefficients(R!(F)); // G. C. Greubel, Jul 06 2018
CROSSREFS
KEYWORD
nonn
AUTHOR
N. J. A. Sloane, Dec 02 2009
STATUS
approved