2112112

Appears in sequences

• Decimal expansion of a(n) is given by the first n terms of the periodic sequence with initial period 2,1,1.at n=6A037559
• a(1) = 1, a(2) = 2, a(n+1) = smallest palindrome of the form k*(a(n-1)) - a(n), not included earlier.at n=10A114750
• Palindromes which are divisible by the product of their digits.at n=28A117057
• List of subwords of A003842 arranged in lexicographic order.at n=32A213975
• Numbers that eventually reach 1 under "x -> sum of 5th power of digits of x".at n=30A219112
• Palindromes that can be written as the sum of two or more consecutive positive cubes.at n=9A265203
• List of palindromic subwords (or palindromic factors) of the Kolakoski sequence (A000002).at n=13A376688