OFFSET
0,3
LINKS
Seiichi Manyama, Table of n, a(n) for n = 0..337
FORMULA
a(n) = Sum_{k=1..n} (n+2*k)^(k-1) * Stirling1(n,k).
E.g.f.: Series_Reversion( exp(-x) * (exp(x * exp(-2*x)) - 1) ). - Seiichi Manyama, Sep 10 2024
PROG
(PARI) a(n) = sum(k=1, n, (n+2*k)^(k-1)*stirling(n, k, 1));
CROSSREFS
KEYWORD
nonn
AUTHOR
Seiichi Manyama, Sep 25 2022
STATUS
approved