Triangle T, read by rows, equal to the matrix square of triangle A113106, which satisfies the recurrence: A113106(n,k) = [A113106^5](n-1,k-1) + [A113106^5](n-1,k).

A113108

Triangle T, read by rows, equal to the matrix square of triangle A113106, which satisfies the recurrence: A113106(n,k) = [A113106^5](n-1,k-1) + [A113106^5](n-1,k).

Terms

    a(0) =1a(1) =2a(2) =1a(3) =16a(4) =12a(5) =1a(6) =440a(7) =416a(8) =62a(9) =1a(10) =43600a(11) =48320a(12) =10016a(13) =312a(14) =1a(15) =16698560a(16) =20765520a(17) =5394320a(18) =246016a(19) =1562a(20) =1a(21) =26098464448a(22) =35382716032a(23) =10854556720a(24) =646408320a(25) =6116016a(26) =7812a(27) =1

External references