0,2

G.f.: A(x)*B(x)/(A(x)+B(x)-A(x)*B(x)) where A(x) is the g.f. of A000984 and B(x) is the g.f. of A002426.

Sequence in context: A020515 A049086 A010921 this_sequence A005827 A052984 A145942

Adjacent sequences: A115965 A115966 A115967 this_sequence A115969 A115970 A115971

easy,nonn

Paul Barry (pbarry(AT)wit.ie), Feb 03 2006