65824

Appears in sequences

• a(n) = floor((3rd elementary symmetric function of 2,3,...,n+3)/(2+3+...+n+3)).at n=32A024178
• Numbers whose base-16 representation has exactly 5 runs.at n=15A043678
• Number of 4-colorings of an n X n grid, up to rotational symmetry.at n=3A047939
• a(n) = Sum_{d|4} phi(d)*n^(4/d).at n=16A054603
• Sum of numbers under a triangle on a spiral staircase of width 10.at n=31A111080
• a(n) = n^2 + 2*n + 2^n.at n=16A220425
• Number of inequivalent 3 X 3 matrices with entries in {1,2,3,..,n} up to rotations.at n=4A282613
• p-INVERT of the positive integers, where p(S) = 1 - 8*S^2.at n=7A290915
• a(n) = 34*n^2.at n=44A303302
• Nontotients (A005277) that are the product of two totients (A002202).at n=29A329872
• Array read by antidiagonals: T(n,k) is the number of k-colorings of an n X n grid, up to rotational symmetry.at n=31A343095