223440

Appears in sequences

• Number of abstract simplicial 2-complexes on {1,2,3,...,n+3} which triangulate the 2-sphere: C(n+3,2)*(4n+1)!/(3n+3)!.at n=4A007816
• a(n) = Sum_{k=1..prime(n)-1} floor(k^3/prime(n)).at n=24A078837
• Triangle read by rows: T(n,k) is the number of labeled 2-connected planar graphs with n nodes and k edges, n >= 3, n <= k <= 3(n-2).at n=35A100960
• A partition product of Stirling_1 type [parameter k = 4] with biggest-part statistic (triangle read by rows).at n=31A157394
• a(n) = 24*n*p(n) = 24*n*A000041(n).at n=18A183009
• Number of permutations in S_n with major index equal to inversion number.at n=9A207018
• Triangle read by rows: T(n,k) is the number of labeled connected planar graphs on n vertices and k edges.at n=43A288265
• Triangle read by rows: T(n,k) is the number of labeled planar graphs on n vertices and k edges.at n=72A288266