Triangle T(n, k, q) = n!*(n+1)!*q^k/((n-k)!(n-k+1)!) if floor(n/2) > k-1, otherwise n!*(n+1)!*q^(n-k)/(k!*(k+1)!) for q = 1, read by rows.

A174449

Triangle T(n, k, q) = n!*(n+1)!*q^k/((n-k)!(n-k+1)!) if floor(n/2) > k-1, otherwise n!*(n+1)!*q^(n-k)/(k!*(k+1)!) for q = 1, read by rows.

Terms

    a(0) =1a(1) =1a(2) =1a(3) =1a(4) =6a(5) =1a(6) =1a(7) =12a(8) =12a(9) =1a(10) =1a(11) =20a(12) =240a(13) =20a(14) =1a(15) =1a(16) =30a(17) =600a(18) =600a(19) =30a(20) =1a(21) =1a(22) =42a(23) =1260a(24) =25200a(25) =1260a(26) =42a(27) =1a(28) =1a(29) =56

External references