a(n) = coefficient of x^n in the power series A(x) such that: x = Sum_{n=-oo..+oo} (-1)^n * x^n * (1 + x^n)^n * A(x)^n.
A359721
a(n) = coefficient of x^n in the power series A(x) such that: x = Sum_{n=-oo..+oo} (-1)^n * x^n * (1 + x^n)^n * A(x)^n.
Terms
- a(0) =1a(1) =1a(2) =3a(3) =10a(4) =37a(5) =127a(6) =460a(7) =1710a(8) =6461a(9) =24851a(10) =96921a(11) =382358a(12) =1522997a(13) =6116518a(14) =24740564a(15) =100698617a(16) =412126133a(17) =1694982357a(18) =7001729420a(19) =29037602898a(20) =120856092153a(21) =504647152650
External references
- oeis: A359721