57988

Appears in sequences

• Number of walks within N^3 (the first octant of Z^3) starting at (0,0,0) and consisting of n steps taken from {(-1, -1, -1), (-1, 0, 0), (0, 0, 1), (0, 1, 1), (1, 0, -1)}.at n=9A150076
• Number of (w,x,y,z) with all terms in {1,...,n} and min{|w-x|,|w-y|}=min{|x-y|,|x-z|}.at n=32A212579
• a(n) = (n/2) * (n^3 - 2*n^2 - 2*n + 5).at n=19A242983