OFFSET
0,4
LINKS
Alois P. Heinz, Table of n, a(n) for n = 0..50
FORMULA
E.g.f.: sinh(A(x)-1) where A(x) is the e.g.f. for A001187.
MATHEMATICA
nn=16; a=Sum[2^Binomial[n, 2]x^n/n!, {n, 0, nn}]; Range[0, nn]!CoefficientList[Series[Sinh[ Log[a]], {x, 0, nn}], x]
CROSSREFS
KEYWORD
nonn
AUTHOR
Geoffrey Critzer, Oct 27 2012
STATUS
approved