49896000

Appears in sequences

• Triangle read by rows, T(n,k) = (-1)^k*(2*n)!*P[n,k](n/(n+1)) where P is the P-transform, for n>=0 and 0<=k<=n.at n=26A268438
• Odd bisection of A278243: a(n) = A046523(A277324(n)).at n=36A284573
• Integers k such that A000010(k) <= A008480(k).at n=21A364750