a(n) = coefficient of x^n*y^(n+1)/n! in (1/4) * log( Sum_{n>=0} (n + 2*y)^(2*n) * x^n/n! ).
A359926
a(n) = coefficient of x^n*y^(n+1)/n! in (1/4) * log( Sum_{n>=0} (n + 2*y)^(2*n) * x^n/n! ).
Terms
- a(0) =1a(1) =8a(2) =168a(3) =6016a(4) =309760a(5) =20957184a(6) =1762991104a(7) =177690607616
External references
- oeis: A359926