89814

Appears in sequences

• Least positive integer k such that prime(k)-k, prime(k)+k, prime(k*n)-k*n, prime(k*n)+k*n, prime(k)+k*n and prime(k*n)+k are all prime.at n=4A259492
• Numerators of the fractions a(0)/(a(1) - a(0)), a(1)/(a(2) - a(1)), a(2)/(a(3) - a(2)), ... such that the sum Sum_{n>=1} a(n-1)/(a(n) - a(n-1)) has the concatenation of these numerators, starting from a(1), as decimal part. Case a(0) = 1, a(1) = 4.at n=3A320335