Triangle, read by rows, where diagonal m of T equals diagonal m-1 of matrix power T^m for m>1: T(n,k) = [T^(n-k)](n-1,k) for n>=k>0, with T(n,n)=1 and T(n+1,n)=n+1 for n>=0.
A132471
Triangle, read by rows, where diagonal m of T equals diagonal m-1 of matrix power T^m for m>1: T(n,k) = [T^(n-k)](n-1,k) for n>=k>0, with T(n,n)=1 and T(n+1,n)=n+1 for n>=0.
Terms
- a(0) =1a(1) =1a(2) =1a(3) =2a(4) =2a(5) =1a(6) =12a(7) =4a(8) =3a(9) =1a(10) =132a(11) =30a(12) =6a(13) =4a(14) =1a(15) =2200a(16) =384a(17) =54a(18) =8a(19) =5a(20) =1a(21) =50020a(22) =7300a(23) =780a(24) =84a(25) =10a(26) =6a(27) =1a(28) =1458576a(29) =186620
External references
- oeis: A132471