OFFSET
1,3
LINKS
Andrew Howroyd, Table of n, a(n) for n = 1..1350 (rows 1..20)
EXAMPLE
Triangle begins:
[1] 1;
[2] 0, 2;
[3] 0, 0, 12, 6;
[4] 0, 0, 0, 128, 186, 108, 24;
[5] 0, 0, 0, 0, 2000, 5640, 7840, 6540, 3330, 960, 120;
...
PROG
(PARI)
G(n)={my(v=vector(n+1)); v[1]=1; for(n=1, n, v[n+1]=sum(k=1, n, -(-1)^k*(1+y)^(k*(n-k))*v[n-k+1]/k!))/n!; Ser(v)}
row(n)={Vecrev(n!*polcoef(log(G(n)), n))}
{ for(n=1, 6, print(row(n))) }
CROSSREFS
KEYWORD
nonn,tabf
AUTHOR
Andrew Howroyd, Jan 29 2022
STATUS
approved