101339

Appears in sequences

• Number of 2n-bead black-white reversible complementable necklaces with n black beads and fundamental period 2n.at n=13A045633
• Positions of records in the continued fraction expansion A100864.at n=18A100866
• Number of nX7 0..1 arrays with every element unequal to 0, 1 or 3 horizontally, vertically or antidiagonally adjacent elements, with upper left element zero.at n=23A317772