Triangle T(n, k, m) = t(n,m)/( t(k,m) * t(n-k,m) ) with T(n, 0, m) = T(n, n, m) = 1, where t(n, m) = Product_{j=1..n} Product_{i=1..j-1} ( 1 - (m+1)*(2*i-1) ) and m = 1, read by rows.
A156696
Triangle T(n, k, m) = t(n,m)/( t(k,m) * t(n-k,m) ) with T(n, 0, m) = T(n, n, m) = 1, where t(n, m) = Product_{j=1..n} Product_{i=1..j-1} ( 1 - (m+1)*(2*i-1) ) and m = 1, read by rows.
Terms
- a(0) =1a(1) =1a(2) =1a(3) =1a(4) =-1a(5) =1a(6) =1a(7) =5a(8) =5a(9) =1a(10) =1a(11) =-45a(12) =225a(13) =-45a(14) =1a(15) =1a(16) =585a(17) =26325a(18) =26325a(19) =585a(20) =1a(21) =1a(22) =-9945a(23) =5817825a(24) =-52360425a(25) =5817825a(26) =-9945a(27) =1a(28) =1a(29) =208845
External references
- oeis: A156696