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 = 2, read by rows.
A156951
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 = 2, read by rows.
Terms
- a(0) =1a(1) =1a(2) =1a(3) =1a(4) =4a(5) =1a(6) =1a(7) =52a(8) =52a(9) =1a(10) =1a(11) =2080a(12) =27040a(13) =2080a(14) =1a(15) =1a(16) =251680a(17) =130873600a(18) =130873600a(19) =251680a(20) =1a(21) =1a(22) =91611520a(26) =91611520a(27) =1a(28) =1a(29) =100131391360a(34) =100131391360a(35) =1
External references
- oeis: A156951