OFFSET
0,3
LINKS
Vaclav Kotesovec, Table of n, a(n) for n = 0..220
FORMULA
EXAMPLE
PROG
(PARI) {a(n)=local(A=1+x*O(x^n)); for(i=1, n, A=(1+x*deriv(x*A))^n); polcoeff(A, n, x)}
for(n=0, 20, print1(a(n), ", "))
CROSSREFS
KEYWORD
nonn
AUTHOR
Vaclav Kotesovec, Oct 23 2020
STATUS
approved