Triangle read by rows: T(n,k) (1 <= k <= n) given by T(n, 1) = T(n,n) = 1, otherwise T(n, k) = (m*n-m*k+1)*T(n-1,k-1) + (m*k-m+1)*T(n-1,k), where m = 6.

A142461

Triangle read by rows: T(n,k) (1 <= k <= n) given by T(n, 1) = T(n,n) = 1, otherwise T(n, k) = (m*n-m*k+1)*T(n-1,k-1) + (m*k-m+1)*T(n-1,k), where m = 6.

Terms

    a(0) =1a(1) =1a(2) =1a(3) =1a(4) =14a(5) =1a(6) =1a(7) =111a(8) =111a(9) =1a(10) =1a(11) =796a(12) =2886a(13) =796a(14) =1a(15) =1a(16) =5597a(17) =52642a(18) =52642a(19) =5597a(20) =1a(21) =1a(22) =39210a(23) =824271a(24) =2000396a(25) =824271a(26) =39210a(27) =1a(28) =1a(29) =274507

External references