146057

Properties

Appears in sequences

• a(1)=1, a(n+1) = a(n) + spf(Sum_{i=1..n} a(i)), where spf=A020639 (smallest prime factor).at n=38A080180
• Primes p such that the largest prime divisor of p^6 + 1 is less than p.at n=6A102328
• Least prime p of a quartet of 4 distinct primes {p, p+2, q, q+2} such that each digit of q is the same as the corresponding digit of p except that each 6 in p corresponds to a 9 in q and vice versa.at n=32A122712
• Prime numbersat n=13514