59474

Appears in sequences

• Number of walks within N^2 (the first quadrant of Z^2) starting at (0,0) and consisting of n steps taken from {(-1, 1), (-1, 0), (0, 1), (1, -1), (1, 1)}.at n=8A151304
• a(n) = smallest m such that A131644(m) = n, or -1 if n does not appear in A131644.at n=6A192362
• Coefficient of x in the reduction by x^2 -> x+1 of the polynomial p(n,x) defined at Comments.at n=18A192963
• Number of labeled simple graphs on n vertices where all non-isolated vertices have the same degree.at n=8A322555