202010

Appears in sequences

• Full Łukasiewicz word for each rooted plane tree (interpretation e in Stanley's exercise 19) encoded by A014486 (or A063171).at n=32A079436
• a(n) is the number of patterns for n-digit papaya numbers.at n=15A165136
• a(n) is the number of patterns for n-character papaya words in an infinite alphabet.at n=16A165137