175792

Appears in sequences

• Number of self-dual 2-colored necklaces with 2n beads.at n=23A007147
• 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, 1), (0, 1, -1), (0, 1, 0), (1, -1, 1)}.at n=11A148422
• 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, 1), (-1, 1, -1), (1, -1, -1), (1, 1, 0)}.at n=11A148659
• Number of incongruent n-sided periodic Reinhardt polygons.at n=71A373694
• Number of incongruent n-sided Reinhardt polygons.at n=71A374832