Triangle P, read by rows, that satisfies [P^7](n,k) = P(n+1,k+1) for n>=k>=0, also [P^(7*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(0,k)=1 and P(k,k)=1 for all k>=0.
A111830
Triangle P, read by rows, that satisfies [P^7](n,k) = P(n+1,k+1) for n>=k>=0, also [P^(7*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(0,k)=1 and P(k,k)=1 for all k>=0.
Terms
- a(0) =1a(1) =1a(2) =1a(3) =1a(4) =7a(5) =1a(6) =1a(7) =154a(8) =49a(9) =1a(10) =1a(11) =16275a(12) =8281a(13) =343a(14) =1a(15) =1a(16) =9106461a(17) =6558209a(18) =410914a(19) =2401a(20) =1a(21) =1a(22) =28543862991a(23) =27307109501a(24) =2298650515a(25) =20170801a(26) =16807a(27) =1a(28) =1a(32) =790856748801
External references
- oeis: A111830