41888

Appears in sequences

• Generalized tangent numbers d_(n,2).at n=20A000176
• Related to Latin rectangles.at n=4A001625
• a(n) = floor(n*(n-1)*(n-2)*(n-3)/30).at n=35A011940
• Maximum cycle length in each permutation between A038776(1) and A038776(A000108(n)).at n=11A057542
• a(n) = binomial(2*n, n) mod ((n+1)*(n+2)*(n+3)*(n+4)).at n=30A065346
• Orbit size of each tree A080263(n) under Meeussen's bf<->df map on binary trees.at n=4A080273
• Orbit size of each tree A080293(n) under Meeussen's bf<->df map on binary trees.at n=3A080297
• Denominator of sum of reciprocals of first n 5-simplex numbers A000389.at n=30A118432
• Molecular topological indices of the pan graphs.at n=42A192836
• Degrees of irreducible representations of orthogonal group O10-(2).at n=30A214475
• Total number of nodes in all self-avoiding planar walks starting at (0,0), ending at (n,n), remaining in the first quadrant and using steps (0,1), (-1,1), and (1,-1) with the restriction that (-1,1) and (1,-1) are always immediately followed by (0,1).at n=6A327872