Triangle P, read by rows, that satisfies [P^2](n,k) = P(n+1,k+1) for n>=k>=0, also [P^(2*m)](n,k) = [P^m](n+1,k+1) for all m, where [P^m](n,k) denotes the element at row n, column k, of the matrix power m of P, with P(k,k)=1 and P(k+2,2)=P(k+2,0) for k>=0.
A111975
Triangle P, read by rows, that satisfies [P^2](n,k) = P(n+1,k+1) for n>=k>=0, also [P^(2*m)](n,k) = [P^m](n+1,k+1) for all m, where [P^m](n,k) denotes the element at row n, column k, of the matrix power m of P, with P(k,k)=1 and P(k+2,2)=P(k+2,0) for k>=0.
Terms
- a(0) =1a(1) =1a(2) =1a(3) =1a(4) =2a(5) =1a(6) =4a(7) =4a(8) =4a(9) =1a(10) =16a(11) =16a(12) =16a(13) =8a(14) =1a(15) =96a(16) =96a(17) =96a(18) =64a(19) =16a(20) =1a(21) =896a(22) =896a(23) =896a(24) =704a(25) =256a(26) =32a(27) =1a(28) =13568a(29) =13568
External references
- oeis: A111975