Triangle T, read by rows, where the g.f. of column k in matrix power T^m is given by: 1/(1-x)^m = Sum_{n>=k} [T^m](n,k) * x^(n-k)/(1+x)^{n(n-1)/2 - k(k-1)/2} for k>=0.
A141760
Triangle T, read by rows, where the g.f. of column k in matrix power T^m is given by: 1/(1-x)^m = Sum_{n>=k} [T^m](n,k) * x^(n-k)/(1+x)^{n(n-1)/2 - k(k-1)/2} for k>=0.
Terms
- a(0) =1a(1) =1a(2) =1a(3) =1a(4) =1a(5) =1a(6) =2a(7) =2a(8) =1a(9) =1a(10) =6a(11) =6a(12) =3a(13) =1a(14) =1a(15) =26a(16) =26a(17) =13a(18) =4a(19) =1a(20) =1a(21) =154a(22) =154a(23) =77a(24) =23a(25) =5a(26) =1a(27) =1a(28) =1188a(29) =1188
External references
- oeis: A141760