OFFSET
1,2
LINKS
Seiichi Manyama, Rows n = 1..140, flattened
FORMULA
E.g.f. k-th column: (( exp(exp(exp(exp(x)-1)-1)-1)-1 )^k)/k!. [corrected by Seiichi Manyama, Feb 12 2022]
EXAMPLE
Triangle begins
1;
4, 1;
22, 12, 1;
154, 136, 24, 1;
1304, 1650, 460, 40, 1;
12915, 21904, 8550, 1160, 60, 1;
...
MATHEMATICA
Flatten[Table[SeriesCoefficient[(Exp[Exp[Exp[Exp[x]-1]-1]-1]-1)^k, {x, 0, n}] n!/k!, {n, 9}, {k, n}]] (* Stefano Spezia, Sep 12 2022 *)
CROSSREFS
KEYWORD
nonn,tabl
AUTHOR
Christian G. Bower, Feb 15 1999
STATUS
approved