Triangle T, read by rows, where T(n,k) = A007559(n-k)*C(n,k) where A007559 equals the triple factorials in column 0.

A136215

Triangle T, read by rows, where T(n,k) = A007559(n-k)*C(n,k) where A007559 equals the triple factorials in column 0.

Terms

    a(0) =1a(1) =1a(2) =1a(3) =4a(4) =2a(5) =1a(6) =28a(7) =12a(8) =3a(9) =1a(10) =280a(11) =112a(12) =24a(13) =4a(14) =1a(15) =3640a(16) =1400a(17) =280a(18) =40a(19) =5a(20) =1a(21) =58240a(22) =21840a(23) =4200a(24) =560a(25) =60a(26) =6a(27) =1a(28) =1106560a(29) =407680

External references