OFFSET
0,1
LINKS
Vaclav Kotesovec, Table of n, a(n) for n = 0..296
FORMULA
Equals limit_{n->infinity} A203475(n) / (2^(n^2/2) * exp(Pi*n*(n+1)/4 - 3*n^2/2 + n) * n^(n*(n-1) - 3/4)).
Equals sqrt(Gamma(1/4)) * exp(Pi/24) / (2*Pi)^(9/8).
EXAMPLE
0.274528350333552903800408993482507428142383783773190451181072723742691...
MATHEMATICA
RealDigits[Sqrt[Gamma[1/4]] * E^(Pi/24) / (2^(9/8) * Pi^(9/8)), 10, 120][[1]]
CROSSREFS
KEYWORD
nonn,cons
AUTHOR
Vaclav Kotesovec, Jan 26 2019
STATUS
approved