G.f. A(x) satisfies: x = Product_{n>=1} (1 - x^n*A(x)) * (1 - x^(n-1)/A(x)).
A356499
G.f. A(x) satisfies: x = Product_{n>=1} (1 - x^n*A(x)) * (1 - x^(n-1)/A(x)).
Terms
- a(0) =1a(1) =1a(2) =3a(3) =10a(4) =32a(5) =108a(6) =382a(7) =1419a(8) =5437a(9) =21288a(10) =84618a(11) =340499a(12) =1384711a(13) =5683834a(14) =23520471a(15) =98018975a(16) =410998473a(17) =1732666697a(18) =7339612244a(19) =31224662178a(20) =133353750962a(21) =571527895700
External references
- oeis: A356499