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A201854
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Primes of the form 7n^2 - 9.
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2
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19, 103, 439, 691, 1783, 2791, 4723, 5479, 7159, 10099, 17491, 18919, 21943, 23539, 28663, 32359, 40423, 47059, 59239, 61843, 67219, 69991, 75703, 78643, 84691, 97459, 104179, 114679, 125683, 137191, 153319, 192883, 202291, 207079
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OFFSET
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1,1
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LINKS
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MATHEMATICA
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Select[Table[7n^2-9, {n, 2, 1000}], PrimeQ]
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PROG
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(Magma) [a: n in [2..200] | IsPrime(a) where a is 7*n^2-9];
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CROSSREFS
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KEYWORD
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nonn,easy
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AUTHOR
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STATUS
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approved
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