Cuban primes 1 up to 619

Cuban primes 1: Primes of the form 3y^2+3y+1.

There is 9 Cuban primes 1 smaller than 619.

Checkout Cuban primes 1 up to: 100, 500, 1000, 10000.

List#

7, 19, 37, 61, 127, 271, 331, 397, 547

Table#

 123456789
1 - 97193761127271331397547
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