78204

Appears in sequences

• Numbers k such that phi(k)*sigma(k) is a cube.at n=27A114077
• Number of collinear point-triples in the n X n X n cube.at n=8A157882
• Number of 5-step S, NW and NE-moving king's tours on an n X n board summed over all starting positions.at n=35A187379
• Number of arrays of 2n nondecreasing integers in -3..3 with sum zero and equal numbers greater than zero and less than zero.at n=34A203286
• a(n) = 54*n^2 + 6*n.at n=38A277990
• Maximum number of copies of a 1234 permutation pattern in an alternating (or zig-zag) permutation of length n + 5.at n=34A338429
• Dirichlet g.f.: Product_{k>=2} 1 / (1 - k^(-s))^(k^3).at n=27A343283
• Irregular triangle read by rows: T(n,k) is number of sequences of length k over {0,1,...,n-1} containing no two consecutive blocks with the same average, n >= 1, 0 <= k <= A379914(n).at n=58A379998