G.f.: Sum_{n>=0} (2*n+1)^n * x^n / (1 + (2*n+1)*x)^n.
A187735
G.f.: Sum_{n>=0} (2*n+1)^n * x^n / (1 + (2*n+1)*x)^n.
Terms
- a(0) =1a(1) =3a(2) =16a(3) =120a(4) =1152a(5) =13440a(6) =184320a(7) =2903040a(8) =51609600a(9) =1021870080a(10) =22295347200a(11) =531372441600
External references
- oeis: A187735