23221

Appears in sequences

• Strong pseudoprimes to base 75.at n=27A020301
• Members of A000124 which are multiples of 11.at n=39A083511
• Numbers k (with no zero digits) with property that k raised to the product of its digits plus the sum of its digits is prime.at n=17A098797
• List of molecules in Hintze-Adami artificial chemistry (see comments for definition).at n=16A101145
• Sequence representing valid nontrivial 1-dimensional Hashi (a.k.a. Bridges or Hashiwokakero) puzzle orientations.at n=41A143964
• Total sum of the odd-indexed parts of all partitions of n.at n=23A207381
• The number of P-positions in the game of Nim with up to 5 piles, allowing for piles of zero, such that the number of objects in each pile does not exceed n.at n=12A241523
• Composite numbers whose concatenation of their aliquot parts, in ascending order, is a palindrome.at n=33A249300
• Numbers n such that the decimal equivalent of the binary reflected Gray code representation of n is a palindromic prime.at n=44A281382
• Numbers whose prime factorization (prime factors and exponents) contains the digits 1 and 2 at least once, but no other digits.at n=26A364484
• Number of integer compositions of n whose leaders of strictly decreasing runs are themselves strictly decreasing.at n=28A374763