OFFSET
0,3
LINKS
Seiichi Manyama, Table of n, a(n) for n = 0..367
FORMULA
a(n) = Sum_{k=0..n} (2*n - 2*k + 1)^(k-1) * (-2*k)^(n-k) * binomial(n,k).
PROG
(PARI) a(n) = sum(k=0, n, (2*n-2*k+1)^(k-1)*(-2*k)^(n-k)*binomial(n, k));
CROSSREFS
KEYWORD
sign
AUTHOR
Seiichi Manyama, Feb 27 2023
STATUS
approved