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A165255
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Solinas primes; primes of the form p = 2^a +/- 2^b +/- 1 where 0 < b < a.
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0
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3, 5, 7, 11, 13, 17, 19, 23, 29, 31, 37, 41, 47, 59, 61, 67, 71, 73, 79, 97, 113, 127, 131, 137, 191, 193, 223, 239, 241, 251, 257, 263, 271, 383, 449, 479, 503, 509, 521, 577, 641, 769, 991, 1009, 1019, 1021, 1031, 1033, 1039, 1087, 1151, 1153, 1279, 2017
(list; graph; refs; listen; history; internal format)
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OFFSET
| 1,1
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COMMENTS
| The primes not in the sequence are 43, 53, 83, 89, 101, 103, 107, 109, 139,... [From R. J. Mathar (mathar(AT)strw.leidenuniv.nl), Sep 18 2009]
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LINKS
| Wikipedia, Solinas prime
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EXAMPLE
| Triples (a,b,p) are (3,2,3), (3,2,5), (4,3,7), (3,2,11), (3,2,13), (5,4,17), (4,2,19), (4,3,23), (5,2,29), (6,5,31), (5,2,37), (5,3,41), (5,4,47), (6,2,59). [From R. J. Mathar (mathar(AT)strw.leidenuniv.nl), Sep 18 2009]
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CROSSREFS
| Sequence in context: A179429 A020615 A172146 * A155058 A007703 A002556
Adjacent sequences: A165252 A165253 A165254 * A165256 A165257 A165258
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KEYWORD
| nonn
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AUTHOR
| Paul Muljadi (paulmuljadi(AT)yahoo.com), Sep 11 2009
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EXTENSIONS
| More terms from Max Alekseyev (maxale(AT)gmail.com) and R. J. Mathar (mathar(AT)strw.leidenuniv.nl), Sep 17 2009
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