OFFSET
0,2
LINKS
FORMULA
MAPLE
1, seq(2^n * n^(n-2), n=1..20); # Robert Israel, Nov 02 2014
MATHEMATICA
nn = 17; f[x_] := Sum[n^(n - 2) x^n/n!, {n, 1, nn}];
Range[0, nn]! CoefficientList[Series[f[2 x] + 1, {x, 0, nn}], x] (* Geoffrey Critzer, Nov 02 2014 *)
CROSSREFS
KEYWORD
nonn
AUTHOR
Christian G. Bower, Jan 04 1999
STATUS
approved