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Search: id:A097058
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| A097058 |
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Numbers of the form p^2 + 2^p for p prime. |
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+0
3
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| 8, 17, 57, 177, 2169, 8361, 131361, 524649, 8389137, 536871753, 2147484609, 137438954841, 2199023257233, 8796093024057, 140737488357537, 9007199254743801, 576460752303426969, 2305843009213697673
(list; graph; listen)
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OFFSET
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1,1
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EXAMPLE
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For example, the first two terms are 2^2 + 2^2 = 8, 3^2 + 2^3 = 17
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MATHEMATICA
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Table[ Prime[n]^2 + 2^Prime[n], {n, 16}] (from Robert G. Wilson v Sep 15 2004)
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PROGRAM
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(PARI) forprime(p=2, 61, print1(p^2+2^p, ", ")) (Brockhaus)
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CROSSREFS
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Sequence in context: A111325 A008782 A146078 this_sequence A134790 A097405 A088588
Adjacent sequences: A097055 A097056 A097057 this_sequence A097059 A097060 A097061
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KEYWORD
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nonn,easy
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AUTHOR
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Parthasarathy Nambi (PachaNambi(AT)yahoo.com), Sep 15 2004
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EXTENSIONS
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More terms from Klaus Brockhaus (klaus-brockhaus(AT)t-online.de), Ray Chandler (rayjchandler(AT)sbcglobal.net) and Robert G. Wilson v (rgwv(AT)rgwv.com), Sep 15 2004
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