49824

Appears in sequences

• Number of achiral rooted trees.at n=32A003241
• Number of 6-ary search trees on n keys.at n=16A019500
• Number of triangles in an n X n unit grid that have minimal possible area (of 1/2).at n=16A088658
• Number of prime pairs below 10^n having a difference of 48.at n=7A093978
• Expansion of x*(x^2+x-1)/(3*x^6-4*x^5+x^4-3*x^2+4*x-1).at n=10A193418
• Triangle read by rows: T(n,k) = t(n-k, k); t(n,m) = f(m)*t(n-1,m) + f(n)*t(n,m-1), where f(x) = 8*x + 2.at n=16A257618
• Triangle read by rows: T(n,k) = t(n-k, k); t(n,m) = f(m)*t(n-1,m) + f(n)*t(n,m-1), where f(x) = 8*x + 2.at n=19A257618
• Number of solutions to 1 +- 3 +- 6 +- ... +- n*(n+1)/2 == 0 mod n.at n=20A300307
• The Riordan square of the large Schröder numbers, triangle read by rows, T(n, k) for 0 <= k <= n.at n=41A321623
• a(n) = Sum_{i=1..n, j=1..n, gcd(i,j)=2} (n+1-i)*(n+1-j).at n=32A331761