A recursive triangular sequence with row sums (2*(n + 5)!): A(n,k)=A(n - 1, k - 1) + A(n - 1, k) + (n + 4)*(n + 3)*A(n - 2, k - 1).
A153737
A recursive triangular sequence with row sums (2*(n + 5)!): A(n,k)=A(n - 1, k - 1) + A(n - 1, k) + (n + 4)*(n + 3)*A(n - 2, k - 1).
Terms
- a(0) =2a(1) =5040a(2) =5040a(3) =2a(4) =80636a(5) =2a(6) =2a(7) =362878a(8) =362878a(9) =2a(10) =2a(11) =363024a(12) =6531548a(13) =363024a(14) =2a(15) =2a(16) =363206a(17) =39553592a(18) =39553592a(19) =363206a(20) =2a(21) =2a(22) =363428a(23) =79849438a(24) =797577464a(25) =79849438a(26) =363428a(27) =2a(28) =2a(29) =363694
External references
- oeis: A153737