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Search: id:A083022
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A083022 Numbers n such that 4*n^2 - 3 is prime. +0
3
2, 4, 5, 7, 10, 13, 16, 17, 20, 22, 23, 29, 32, 34, 40, 43, 44, 46, 49, 55, 56, 59, 62, 64, 68, 70, 71, 73, 82, 86, 95, 97, 101, 103, 104, 109, 110, 125, 127, 133, 134, 148, 149, 152, 155, 160, 161, 163, 164, 166, 170, 175, 178, 181, 185, 208, 209, 218, 220, 226, 230 (list; graph; listen)
OFFSET

1,1

CROSSREFS

Cf. A028874.

a(n)=A028873(n)/2

Adjacent sequences: A083019 A083020 A083021 this_sequence A083023 A083024 A083025

Sequence in context: A007997 A123120 A036559 this_sequence A062463 A056716 A023181

KEYWORD

nonn,easy

AUTHOR

Hugo Pfoertner (hugo(AT)pfoertner.org), May 31 2003

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Last modified October 9 14:06 EDT 2008. Contains 144831 sequences.


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