Centered triangular primes up to 687509

Centered triangular primes: Primes of the form (3n^2 + 3n + 2) / 2.

There is 116 centered triangular primes smaller than 687509.

Checkout centered triangular primes up to: 100, 500, 1000, 10000.

19, 31, 109, 199, 409, 571, 631, 829, 1489, 1999, 2341, 2971, 3529, 4621, 4789, 7039, 7669, 8779, 9721, 10459, 10711, 13681, 14851, 16069, 16381, 17659, 20011, 20359, 23251, 25939, 27541, 29191, 29611, 31321, 34429, 36739, 40099, 40591, 42589, 44119, 48871, 51061, 53299, 55009, 57331, 62119, 62731, 69661, 70309, 72271, 72931, 74929, 89671, 98689, 104149, 108139, 110569, 114679, 130981, 142759, 145549, 154081, 156979, 157951, 161869, 164839, 176989, 178021, 182179, 190639, 193861, 211501, 244219, 253999, 260209, 265231, 269029, 275419, 289741, 295039, 312589, 322249, 323641, 339151, 340579, 346321, 352111, 380269, 398611, 406381, 412651, 436591, 438211, 443089, 451279, 462871, 464539, 469561, 471241, 476299, 477991, 510709, 519499, 533719, 539101, 540901, 570109, 577531, 598189, 613441, 621139, 623071, 652411, 660349, 684451, 686479

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