OFFSET
0,3
LINKS
G. E. Andrews, Some debts I owe, Séminaire Lotharingien de Combinatoire, Paper B42a, Issue 42, 2000; see (7.4).
MAPLE
Mk := proc(k) -1*add( (-1)^n*q^(n*(n+1)/2)/(1-q^n)^k/mul(1-q^i, i=1..n), n=1..101): end; # with k=4
CROSSREFS
KEYWORD
nonn
AUTHOR
N. J. A. Sloane, Feb 24 2001
STATUS
approved