Ulam primes: Primes in the Ulam sequence.
There is 23 ulam primes smaller than 1592.
Checkout ulam primes up to: 100, 500, 1000, 10000.
2, 3, 11, 13, 47, 53, 97, 131, 197, 241, 409, 431, 607, 673, 739, 751, 983, 991, 1103, 1433, 1489, 1531, 1553