12474000

Appears in sequences

• Number of permutations of 1..n with the sequence of sums of 7 adjacent elements having exactly 1 maximum.at n=5A179731
• Triangle read by rows, T(n,k) = ((-1)^k*(2*n)!/4^k)*P[n,k](1/((2*n-1)*(2*n))) where P is the inverse P-transform, for n>=0 and 0<=k<=n.at n=26A269943
• Odd bisection of A278243: a(n) = A046523(A277324(n)).at n=35A284573
• a(n) = Sum_{k=0..floor(n/4)} binomial(n+3,4*k+3) * Catalan(k).at n=21A360046