111223

Appears in sequences

• LookAndSay(n) is palindromic.at n=17A079676
• List of strings in lexicographic order with property that for the 2^(m-1) strings of length m, the first entry is 1, the second distinct entry (reading from left to right) is 2, the third distinct entry is 3, etc.at n=36A096299
• Numbers which are sum of distinct unary numbers (containing only ones), i.e., numbers which are sum of distinct numbers of the form (10^k - 1)/9.at n=36A110382
• Concatenation of first n members of the Padovan sequence A000931, starting at (1, 1, 1, 2,).at n=5A134732
• Sorted list of strings that can be obtained by starting with 123 and repeatedly doubling any substring in place.at n=13A135475
• Numbers k such that k^p-p is prime, where p is product of the digits of k.at n=34A178328
• Combinatorial tetrahedral numbers.at n=2A180039
• Pseudoprimes to base 4, written in base 4.at n=12A262101