111112222

Appears in sequences

• List of minimal palindromic words over {1,2} that begin with 1, and have lengths 1, 2, 3, ....at n=19A225189
• Minimal representation (considered minimal in any canonical base b >= 3) of n in a binary system using two distinct digits "1" and "2", not allowing zeros, where a digit d in position p (p = 1,2,3,...,n) represents the value d^p.at n=34A235860