201829

Properties

Appears in sequences

• Primes p such that x^11 = 2 has a solution mod p, but x^(11^2) = 2 has no solution mod p.at n=11A070187
• List of primes p for which p^n - 2 is prime for n = 1, 3, and 5.at n=17A242517
• Primes p for which p^n - 2 is prime for n = 1, 3, 5 and 7.at n=0A242518
• Smallest prime p such that p^k - 2 is prime for all odd exponents k from 1 up to 2*n-1 (inclusive).at n=3A243269
• Numbers having in binary representation more zeros than their squares.at n=33A293655
• Number of tilings of a 4 X n rectangle using dominoes and 2 X 2 tiles.at n=9A352432
• Prime numbersat n=18132