59729

Properties

Appears in sequences

• a(1) = 2, a(n) is the least prime of the form 2k*a(n-1)+1 where 2k is the least even number not used earlier.at n=5A091859
• Smallest n such that pi(n)=Floor[n/log((n-pi(n))/e)].at n=4A135325
• Number of compositions of n with some part appearing more than twice.at n=17A335455
• a(n) is the largest prime factor of n*2^n-1.at n=17A367003
• Prime numbersat n=6038