29266

Appears in sequences

• Numbers k such that 67*2^k+1 is prime.at n=31A032383
• Numbers k such that the digits of k^3, reversed, include the digits of k as substring.at n=18A115762
• Integers k such that the k-th triangular number t_k has all its base-12 digits contained in {1,5,7,11}.at n=11A118711