301010

Appears in sequences

• a(1) = 1; a(n+1) is the smallest number > a(n) which differs from it at every digit.at n=47A068860
• Full Łukasiewicz word for each rooted plane tree (interpretation e in Stanley's exercise 19) encoded by A014486 (or A063171).at n=29A079436
• Irregular triangle read by rows: row n lists all of the distinct derivable strings in the MIU formal system that are n characters long.at n=29A369173