G.f. A(x) satisfies x = Sum_{n>=1} A( x^n*(1-x)^(3*n) ).
A380552
G.f. A(x) satisfies x = Sum_{n>=1} A( x^n*(1-x)^(3*n) ).
Terms
- a(0) =1a(1) =2a(2) =14a(3) =88a(4) =611a(5) =4372a(6) =32889a(7) =254384a(8) =2017341a(9) =16300550a(10) =133767542a(11) =1111727456a(12) =9338434699a(13) =79155402978a(14) =676196048434
External references
- oeis: A380552