1111222

Appears in sequences

• List of Lyndon words on {1,2} sorted first by length and then lexicographically.at n=26A102659
• Numbers k such that k and k^2 use only the digits 1, 2, 3, 4 and 8.at n=43A136971
• Numbers that eventually reach 1 under "x -> sum of 5th power of digits of x".at n=7A219112
• List of minimal palindromic words over {1,2} that begin with 1, and have lengths 1, 2, 3, ....at n=11A225189
• 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=17A235860
• Least number m such that d_1^j + d_2^j + ... + d_k^j is prime for j = 1, 2, 3, ... n and is composite for j = n+1, where d_1, d_2, ... d_k are the digits of m.at n=7A245358
• We exclude powers of 10 and numbers of the form 11...111 in which the number of 1's is a power of 10. Then a(n) is the smallest number (not excluded) whose trajectory under iteration of "x -> sum of n-th powers of digits of x" reaches 1.at n=4A364786
• Least of the smoothest two-nonzero-digit numbers of length n.at n=5A370849