166211

Appears in sequences

• Number of primes == 7 (mod 10) less than 10^n.at n=6A073507
• 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, -1, 1), (0, 0, 1), (0, 1, -1), (1, 0, -1)}.at n=12A148503
• Number of non-isomorphic spanning hyperforests of weight n.at n=20A304912