161562

Appears in sequences

• Trajectory of 3 under map n->43n+1 if n odd, n->n/2 if n even.at n=10A037119
• Values of k such that {s(1),...,s(k)} is a palindrome, where {s(1),s(2),...} is the fixed point of the substitutions 0->1 and 1->110.at n=25A098894