G.f. A(x) satisfies: A(x) = 1 + x + x^2 * A(x/(1 - 5*x)) / (1 - 5*x).
A351056
G.f. A(x) satisfies: A(x) = 1 + x + x^2 * A(x/(1 - 5*x)) / (1 - 5*x).
Terms
- a(0) =1a(1) =1a(2) =1a(3) =6a(4) =36a(5) =221a(6) =1431a(7) =10121a(8) =80311a(9) =718106a(10) =7111976a(11) =76201501a(12) =868288401a(13) =10438492181a(14) =132166853861
External references
- oeis: A351056