Triangle, read by rows, T(n,k) = binomial(n+k+1, n+1) * Sum_{j=0..k} j!*binomial(n,j)*binomial(k, j).
A176121
Triangle, read by rows, T(n,k) = binomial(n+k+1, n+1) * Sum_{j=0..k} j!*binomial(n,j)*binomial(k, j).
Terms
- a(0) =1a(1) =1a(2) =6a(3) =1a(4) =12a(5) =70a(6) =1a(7) =20a(8) =195a(9) =1190a(10) =1a(11) =30a(12) =441a(13) =4088a(14) =26334a(15) =1a(16) =42a(17) =868a(18) =11424a(19) =105210a(20) =714252a(21) =1a(22) =56a(23) =1548a(24) =27480a(25) =344850a(26) =3208392a(27) =22869132a(28) =1a(29) =72
External references
- oeis: A176121