270337

Properties

Appears in sequences

• G.f. satisfies A(x) = 1 + x*cycle_index(G,A(x)) where G = cyclic group of order 17 generated by (1,2,...,17).at n=8A036731
• Primes of the form 2^i + 2^j + 1, i > j > 0.at n=38A081091
• a(n) is the largest prime 2^(n-1) <= p < 2^n minimizing the Hamming weight of all primes in this interval.at n=17A333876
• Number of subsets of {1..n} whose elements have the same number of distinct prime factors.at n=33A339512
• Odd primes whose base-2 representation has no proper substrings that are base-2 representations of odd primes.at n=23A365518
• Prime numbersat n=23673