112323

Appears in sequences

• Sorted list of strings that can be obtained by starting with 123 and repeatedly doubling any substring in place.at n=18A135475
• a(n) is the smallest number whose name in US English contains n consonants.at n=29A157899
• a(n) is the smallest number whose name in UK English contains n consonants.at n=33A157900
• a(n) is the smallest number greater than a(n-1) whose name in UK English contains n consonants.at n=33A157902
• 6-digit numbers k such that: (a) the digits of k are from the set {1, 2, 3, 4, 5}, and (b) any digit that appears in k appears at least twice.at n=27A171725
• List of words of length n over an alphabet of size 9 that are in standard order and which have the property that every letter that appears in the word is repeated.at n=30A273978