Triangle read by rows, T(n, k) = binomial(n, k)*hypergeom([k-n, n+1], [k+2], -4), for n >= 0 and 0 <= k <= n.
A297899
Triangle read by rows, T(n, k) = binomial(n, k)*hypergeom([k-n, n+1], [k+2], -4), for n >= 0 and 0 <= k <= n.
Terms
- a(0) =1a(1) =5a(2) =1a(3) =45a(4) =10a(5) =1a(6) =505a(7) =115a(8) =15a(9) =1a(10) =6345a(11) =1460a(12) =210a(13) =20a(14) =1a(15) =85405a(16) =19765a(17) =2990a(18) =330a(19) =25a(20) =1a(21) =1204245a(22) =279710a(23) =43635a(24) =5220a(25) =475a(26) =30a(27) =1a(28) =17558705a(29) =4088615
External references
- oeis: A297899