Triangle T(n, k, q) = t(n,q)/(t(k,q)*t(n-k,q)), where t(n, k) = Product_{j=1..n} q-Pochhammer(j, k+1, k+1)/(1-(k+1))^j and t(n, 0) = n!, with q = 3, read by rows.
A156952
Triangle T(n, k, q) = t(n,q)/(t(k,q)*t(n-k,q)), where t(n, k) = Product_{j=1..n} q-Pochhammer(j, k+1, k+1)/(1-(k+1))^j and t(n, 0) = n!, with q = 3, read by rows.
Terms
- a(0) =1a(1) =1a(2) =1a(3) =1a(4) =5a(5) =1a(6) =1a(7) =105a(8) =105a(9) =1a(10) =1a(11) =8925a(12) =187425a(13) =8925a(14) =1a(15) =1a(16) =3043425a(17) =5432513625a(18) =5432513625a(19) =3043425a(20) =1a(21) =1a(22) =4154275125a(26) =4154275125a(27) =1
External references
- oeis: A156952