Triangle read by rows: T(n, k) = (k+1)*A132393(n+1, k+1), for 0 <= k <= n.
A028421
Triangle read by rows: T(n, k) = (k+1)*A132393(n+1, k+1), for 0 <= k <= n.
Terms
- a(0) =1a(1) =1a(2) =2a(3) =2a(4) =6a(5) =3a(6) =6a(7) =22a(8) =18a(9) =4a(10) =24a(11) =100a(12) =105a(13) =40a(14) =5a(15) =120a(16) =548a(17) =675a(18) =340a(19) =75a(20) =6a(21) =720a(22) =3528a(23) =4872a(24) =2940a(25) =875a(26) =126a(27) =7a(28) =5040a(29) =26136
External references
- oeis: A028421