Triangle, read by rows, where T(n,k) = C(n,k) * C(2^k*3^(n-k), n) for n>=k>=0.
A136635
Triangle, read by rows, where T(n,k) = C(n,k) * C(2^k*3^(n-k), n) for n>=k>=0.
Terms
- a(0) =1a(1) =3a(2) =2a(3) =36a(4) =30a(5) =6a(6) =2925a(7) =2448a(8) =660a(9) =56a(10) =1663740a(11) =1265004a(12) =353430a(13) =42504a(14) =1820a(15) =6774333588a(16) =4368213360a(17) =1114691760a(18) =139915440a(19) =8561520a(20) =201376
External references
- oeis: A136635