Triangle T, read by rows, that satisfies: T(n,k) = [T^2](n-1,k) for n>k+1>=1, with T(n,n) = 1 and T(n+1,n) = n+1 for n>=0, where T^2 is the matrix square of T.
A109152
Triangle T, read by rows, that satisfies: T(n,k) = [T^2](n-1,k) for n>k+1>=1, with T(n,n) = 1 and T(n+1,n) = n+1 for n>=0, where T^2 is the matrix square of T.
Terms
- a(0) =1a(1) =1a(2) =1a(3) =2a(4) =2a(5) =1a(6) =6a(7) =4a(8) =3a(9) =1a(10) =22a(11) =14a(12) =6a(13) =4a(14) =1a(15) =94a(16) =56a(17) =24a(18) =8a(19) =5a(20) =1a(21) =450a(22) =262a(23) =102a(24) =36a(25) =10a(26) =6a(27) =1a(28) =2366a(29) =1348
External references
- oeis: A109152