34359738337
domain: N
Appears in sequences
- Largest prime <= 2^n.at n=34A014234
- Smallest prime with exactly n consecutive ones in the longest run of ones in its binary expansion.at n=29A090593
- Number of order-preserving or order-reversing full contraction mappings of an n-chain.at n=30A221882
- Primes of the form 2^k*(2^{phi(m)} - 1) + 1, where k and m are positive integers, and phi(.) is Euler's totient function.at n=59A234388
- a(n) = smallest number that is the start of a gap of size n between successive prime powers (A000961), or 0 if no such number exists.at n=30A290515
- a(n) = k where wt(k) = n and k + wt(k) = a power of two, where wt(n) = A000120(n) = binary weight of n.at n=30A374348