126104

Appears in sequences

• Trajectory of 3 under map n->7n-1 if n odd, n->n/2 if n even.at n=34A063871
• Number of ways for each of 2n (labeled) people in a circle to look at either a neighbor or the diametrally opposite person, such that no eye contact occurs.at n=6A141221
• Sum of the lengths of LB factorizations over all binary strings of length n.at n=15A330884