G.f. A(x) satisfies A(x) = 1/(1 - x/(1 - x*A(x)^3)^4).
A391648
G.f. A(x) satisfies A(x) = 1/(1 - x/(1 - x*A(x)^3)^4).
Terms
- a(0) =1a(1) =1a(2) =5a(3) =31a(4) =225a(5) =1772a(6) =14735a(7) =127300a(8) =1131437a(9) =10278926a(10) =95024232a(11) =891017275a(12) =8453889679a(13) =81011181979a(14) =782933498692
External references
- oeis: A391648