a(n) = coefficient of x^n/n! in A(x) = Sum_{n>=0} x^n * cosh(sqrt(n)*x).
A357790
a(n) = coefficient of x^n/n! in A(x) = Sum_{n>=0} x^n * cosh(sqrt(n)*x).
Terms
- a(0) =1a(1) =1a(2) =2a(3) =9a(4) =48a(5) =305a(6) =2280a(7) =19537a(8) =188608a(9) =2024577a(10) =23911200a(11) =308049401a(12) =4298093184a(13) =64555255921
External references
- oeis: A357790