Card matching: coefficients B[n,2] of t^2 in the reduced hit polynomial A[n,n,n](t).
A000535
Card matching: coefficients B[n,2] of t^2 in the reduced hit polynomial A[n,n,n](t).
Terms
- a(0) =0a(1) =27a(2) =378a(3) =4536a(4) =48600a(5) =489780a(6) =4738104a(7) =44535456a(8) =409752432a(9) =3708359550a(10) =33125746500a(11) =292779558720
External references
- oeis: A000535