Centered heptagonal primes up to 1471

Centered heptagonal primes: Primes of the form (7n^2 − 7n + 2) / 2.

There is 7 centered heptagonal primes smaller than 1471.

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

43, 71, 197, 463, 547, 953, 1471

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• All centered heptagonal primes