639009

Appears in sequences

• Number of alternating compositions, i.e., compositions with alternating increases and decreases, starting with either an increase or a decrease.at n=30A025047
• Trajectory of 442 under the Reverse and Add! operation carried out in base 2.at n=15A075268
• Longest word T from a string S using no breakpoint-reuse.at n=43A280429