271061

Appears in sequences

• Successive sums of consecutive primes that form a triangular grid.at n=23A125130
• 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), (1, -1, -1), (1, 1, 1)}.at n=10A149586