Triangle read by rows, the Bell transform of the triple factorial numbers A007559(n+1) without column 0.

A035469

Triangle read by rows, the Bell transform of the triple factorial numbers A007559(n+1) without column 0.

Terms

    a(0) =1a(1) =4a(2) =1a(3) =28a(4) =12a(5) =1a(6) =280a(7) =160a(8) =24a(9) =1a(10) =3640a(11) =2520a(12) =520a(13) =40a(14) =1a(15) =58240a(16) =46480a(17) =11880a(18) =1280a(19) =60a(20) =1a(21) =1106560a(22) =987840a(23) =295960a(24) =40040a(25) =2660a(26) =84a(27) =1a(28) =24344320a(29) =23826880

External references