164501

Appears in sequences

• Numbers k such that 210*k+{11, 13, 17, 19, 23, 29} are 6 consecutive primes.at n=33A182282
• a(n) is the number of equivalence classes of simple, open polygonal chains consisting of two segments and with all three vertices on the lattice points of an n X n grid.at n=23A272053