71081

Properties

Appears in sequences

• a(0)=1, a(n) is the smallest integer > a(n-1) such that the continued fraction for 1/a(0)+1/a(1)+1/a(2)+...+1/a(n) contains exactly 2^n elements.at n=5A071293
• Primes from merging of 5 successive digits in decimal expansion of the Champernowne Constant.at n=25A104948
• Primes p such that 2p^2-1, 3p^2-2 and 4p^2-3 are also prime.at n=25A213079
• Number of compositions such that their set adjacent differences are a subset of {-1,1} and contain 1 as a part of the composition itself.at n=52A372647
• Prime numbersat n=7039