105131domain: NAppears in sequencesa(n) is the smallest number that is the sum of both 2n-1 and 2n+1 consecutive primes.at n=22A213174Pseudoprimes to base 6, written in base 6.at n=24A262103Numbers k such that 7*10^k - 69 is prime.at n=31A281643Records in A360519.at n=47A361107