Triangle T(n,m) read by rows, [A(x)]^m = Sum_{n>=m} T(n,m)*x^n, where A(x) satisfies A(x) = x/(1-A(x)-A(x)^2).
A188111
Triangle T(n,m) read by rows, [A(x)]^m = Sum_{n>=m} T(n,m)*x^n, where A(x) satisfies A(x) = x/(1-A(x)-A(x)^2).
Terms
- a(0) =1a(1) =1a(2) =1a(3) =3a(4) =2a(5) =1a(6) =10a(7) =7a(8) =3a(9) =1a(10) =38a(11) =26a(12) =12a(13) =4a(14) =1a(15) =154a(16) =105a(17) =49a(18) =18a(19) =5a(20) =1a(21) =654a(22) =444a(23) =210a(24) =80a(25) =25a(26) =6a(27) =1a(28) =2871a(29) =1944
External references
- oeis: A188111