OFFSET
0,2
LINKS
Michael De Vlieger, Table of n, a(n) for n = 0..322
FORMULA
a(n) = A059297(2*n, n).
a(n) ~ 2^(2*n)*n^n/sqrt(n*Pi). - Stefano Spezia, Nov 29 2023
MAPLE
seq(binomial(2*n, n) * n^n, n = 0..16);
MATHEMATICA
A367271[n_]:=If[n==0, 1, Binomial[2n, n]n^n];
Array[A367271, 20, 0] (* Paolo Xausa, Nov 29 2023 *)
CROSSREFS
KEYWORD
nonn
AUTHOR
Peter Luschny, Nov 11 2023
STATUS
approved