49492

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, 0), (-1, 0, 0), (0, 0, 1), (1, 0, -1), (1, 1, -1)}.at n=10A148785
• Number of n X 3 binary arrays with rows and columns in nondecreasing order.at n=12A184138
• Numbers k such that Sum_{j=1..k} j^phi(j) == 0 (mod k).at n=14A227429