Lower triangular matrix T, read by rows, such that T(n,0) = 1 and T(n,k) = T(n-1,k) + T^2(n-1,k-1) for k>0, where T^2 is the matrix square of T.
A097712
Lower triangular matrix T, read by rows, such that T(n,0) = 1 and T(n,k) = T(n-1,k) + T^2(n-1,k-1) for k>0, where T^2 is the matrix square of T.
Terms
- a(0) =1a(1) =1a(2) =1a(3) =1a(4) =3a(5) =1a(6) =1a(7) =8a(8) =7a(9) =1a(10) =1a(11) =25a(12) =44a(13) =15a(14) =1a(15) =1a(16) =111a(17) =346a(18) =208a(19) =31a(20) =1a(21) =1a(22) =809a(23) =4045a(24) =3720a(25) =912a(26) =63a(27) =1a(28) =1a(29) =10360
External references
- oeis: A097712