a(n) = coefficient of x^n/n! in A(x) = Sum_{n>=0} x^n/n! * ( (1 + sqrt(n)*x)^sqrt(n) + 1/(1 - sqrt(n)*x)^sqrt(n) )/2.
A359459
a(n) = coefficient of x^n/n! in A(x) = Sum_{n>=0} x^n/n! * ( (1 + sqrt(n)*x)^sqrt(n) + 1/(1 - sqrt(n)*x)^sqrt(n) )/2.
Terms
- a(0) =1a(1) =1a(2) =3a(3) =10a(4) =49a(5) =331a(6) =3091a(7) =36142a(8) =507585a(9) =8264917a(10) =153670771a(11) =3217628206a(12) =75150452257
External references
- oeis: A359459