OFFSET
0,3
FORMULA
a(n) = A090210(n,n). - Alois P. Heinz, Aug 01 2016
PROG
(PARI) precision 1000 digits : for(n=1, 9, print1(round(sum(k=0, 200, (k+n)!^n/((k+n)!*(k!^n)*exp(1)))), ", "))
CROSSREFS
KEYWORD
easy,nonn
AUTHOR
Benoit Cloitre, May 07 2002
EXTENSIONS
a(0)=1 prepended by Alois P. Heinz, Aug 01 2016
STATUS
approved