a(n) is the coefficient of x^n/n! in exp(x + n*x^2/2).
A277614
a(n) is the coefficient of x^n/n! in exp(x + n*x^2/2).
Terms
- a(0) =1a(1) =1a(2) =3a(3) =10a(4) =73a(5) =426a(6) =4951a(7) =41308a(8) =658785a(9) =7149628a(10) =144963451a(11) =1937124696a(12) =47660873833a(13) =756536698360
External references
- oeis: A277614