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Search: id:A112527
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| A112527 |
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a(1)=2; a(n)=smallest prime not less than the sum of all previous terms. |
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+0
1
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| 2, 2, 5, 11, 23, 43, 89, 179, 359, 719, 1433, 2879, 5749, 11497, 22993, 45989, 91997, 183971, 367949, 735901, 1471807, 2943599, 5887213, 11774429, 23548853, 47097697, 94195421, 188390809, 376781623, 753563269, 1507126519, 3014253049
(list; graph; listen)
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OFFSET
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1,1
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COMMENT
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See A070218: a(1)=2;a(n)=smallest prime greater than the sum of all previous terms.
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MATHEMATICA
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s={2}; ss=2; Do[a=If[PrimeQ[ss], ss, Prime[PrimePi[ss]+1]]; AppendTo[s, a]; AddTo[ss, a], {i, 35}]; A112527=s
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CROSSREFS
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Cf. A070218.
Cf. A064934. [From R. J. Mathar (mathar(AT)strw.leidenuniv.nl), Aug 15 2008]
Sequence in context: A104080 A078405 A109278 this_sequence A049680 A153983 A058021
Adjacent sequences: A112524 A112525 A112526 this_sequence A112528 A112529 A112530
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KEYWORD
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easy,nonn
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AUTHOR
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Zak Seidov (zakseidov(AT)yahoo.com), Sep 10 2005
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