2122112

Appears in sequences

• a(n) contains n digits (either '1' or '2') and is divisible by 2^n.at n=6A053312
• a(n) is the largest integer with n digits in base 3/2.at n=6A304024
• List of Nyldon words over {1,2}.at n=35A328073
• The word 1 belongs to the sequence, and whenever a word w belongs to the sequence, then the words consisting of 1's and 2's whose run lengths transform equals w also belong to the sequence.at n=36A376637