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Search: id:A093069
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| A093069 |
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Kynea numbers: (2^n+1)^2-2. |
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+0
3
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| 7, 23, 79, 287, 1087, 4223, 16639, 66047, 263167, 1050623, 4198399, 16785407, 67125247, 268468223, 1073807359, 4295098367, 17180131327, 68720001023, 274878955519, 1099513724927, 4398050705407, 17592194433023
(list; graph; listen)
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OFFSET
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0,1
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LINKS
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Eric Weisstein's World of Mathematics, Kynea Number
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FORMULA
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a(n)=4^n+2^(n+1)-1
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MATHEMATICA
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lst={}; Do[k=4^n+2^(n+1)-1; (*Print[p]; *)AppendTo[lst, k], {n, 10^2}]; lst [From Vladimir Orlovsky (4vladimir(AT)gmail.com), Aug 21 2008]
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CROSSREFS
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Adjacent sequences: A093066 A093067 A093068 this_sequence A093070 A093071 A093072
Sequence in context: A018886 A145842 A086908 this_sequence A091514 A003540 A063793
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KEYWORD
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easy,nonn
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AUTHOR
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Eric Weisstein (eric(AT)weisstein.com), Mar 17, 2004
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