73119

Appears in sequences

• Numbers k such that 6^k - 5 is prime.at n=23A059614
• a(1) = a(2) = a(3) = 1; for n>3, a(n) = a(n-1) + a(n-2) + a(n-3) iff n-1 is prime, otherwise a(n) = a(n-1) + 1.at n=37A113057