100133

Appears in sequences

• Smallest k whose 'Reverse and Subtract' trajectory has a preperiodic part of length n.at n=20A072138
• a(n) = a(n-1) XOR (a(n-2)*3).at n=20A204771
• Base-4 numbers whose square is a palindrome in base 4.at n=13A263609
• Number of edge-weighted n-regular multigraphs on 2 unlabeled vertices with total edge weight n.at n=16A390166