Coefficient triangle of polynomials recursively defined by P(n,x) = (n+1)*(n+1)! + x*Sum_{k=1..n} k^2*n!/(n+1-k)!*P(n-k,x) with P(0,x) = 1.
A322970
Coefficient triangle of polynomials recursively defined by P(n,x) = (n+1)*(n+1)! + x*Sum_{k=1..n} k^2*n!/(n+1-k)!*P(n-k,x) with P(0,x) = 1.
Terms
- a(0) =1a(1) =1a(2) =4a(3) =1a(4) =12a(5) =18a(6) =1a(7) =24a(8) =120a(9) =96a(10) =1a(11) =40a(12) =420a(13) =1200a(14) =600a(15) =1a(16) =60a(17) =1080a(18) =6720a(19) =12600a(20) =4320a(21) =1a(22) =84a(23) =2310a(24) =25200a(25) =105840a(26) =141120a(27) =35280a(28) =1a(29) =112
External references
- oeis: A322970