OFFSET
0,4
LINKS
Eric Weisstein's World of Mathematics, Barnes G-Function.
Wikipedia, Barnes G-function.
FORMULA
a(n) ~ 2^(n/2) * Pi^(n/2 - 1) * n^(n^2/2 - 2*n + 23/12) / (A * exp(3*n^2/4 - 2*n - 1/12)), where A = A074962 is the Glaisher-Kinkelin constant.
MATHEMATICA
Table[Sum[BarnesG[k]*BarnesG[n-k], {k, 0, n}], {n, 0, 15}]
CROSSREFS
KEYWORD
nonn
AUTHOR
Vaclav Kotesovec, Dec 17 2023
STATUS
approved