Triangle T(n,k) for A(x)^k=sum(n>=k T(n,k)*x^n), where o.g.f. A(x) satisfies A(x)=(1+x*A(x)^3)/(1-x*A(x)^3).
A187920
Triangle T(n,k) for A(x)^k=sum(n>=k T(n,k)*x^n), where o.g.f. A(x) satisfies A(x)=(1+x*A(x)^3)/(1-x*A(x)^3).
Terms
- a(0) =1a(1) =2a(2) =1a(3) =14a(4) =4a(5) =1a(6) =134a(7) =32a(8) =6a(9) =1a(10) =1482a(11) =324a(12) =54a(13) =8a(14) =1a(15) =17818a(16) =3696a(17) =578a(18) =80a(19) =10a(20) =1a(21) =226214a(22) =45316a(23) =6810a(24) =904a(25) =110a(26) =12a(27) =1a(28) =2984206a(29) =583152
External references
- oeis: A187920