69527

Appears in sequences

• n-th 6k+1 prime times n-th 6k-1 prime.at n=26A048629
• a(0)=1, a(1)=2; a(2n) = 2*a(2n-1)+1; a(2n+1) = a(2n) + x, where x is the least number not yet the difference of two terms.at n=26A111328