A recursive triangular sequence with row sums (5^(n - 1)*(n + 3)!)/12: A(n,k)= A(n - 1, k - 1) + A(n - 1, k) + 5 *(2 + n) (13 + 5* n)*A(n - 2, k - 1).

A153811

A recursive triangular sequence with row sums (5^(n - 1)*(n + 3)!)/12: A(n,k)= A(n - 1, k - 1) + A(n - 1, k) + 5 *(2 + n) (13 + 5* n)*A(n - 2, k - 1).

Terms

    a(0) =2a(1) =25a(2) =25a(3) =2a(4) =1496a(5) =2a(6) =2a(7) =26248a(8) =26248a(9) =2a(10) =2a(11) =28910a(12) =2042176a(13) =28910a(14) =2a(15) =2a(16) =32352a(17) =47217646a(18) =47217646a(19) =32352a(20) =2a(21) =2a(22) =36674a(23) =109695598a(24) =4505535452a(25) =109695598a(26) =36674a(27) =2a(28) =2a(29) =41976

External references