A296934 Rational primes that decompose in the field Q(sqrt(7)).
3, 19, 29, 31, 37, 47, 53, 59, 83, 103, 109, 113, 131, 137, 139, 149, 167, 193, 197, 199, 223, 227, 233, 251, 271, 277, 281, 283, 307, 311, 317, 337, 367, 373, 383, 389, 401, 419, 421, 439, 449, 457, 467, 479, 503, 523, 541, 557, 563, 569, 587, 607, 613
Offset: 1