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Search: id:A074839
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| A074839 |
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a(0) = 1, a(n+1) = a(n) + next prime larger than a(n). |
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+0
2
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| 1, 3, 8, 19, 42, 85, 174, 353, 712, 1431, 2864, 5743, 11492, 22989, 45982, 91971, 183968, 367939, 735888, 1471789, 2943596, 5887195, 11774408, 23548837, 47097690, 94195387, 188390808, 376781617, 753563240, 1507126509, 3014253028
(list; graph; listen)
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OFFSET
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0,2
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EXAMPLE
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For instance 1+2=3, 3+5=8, 8+11=19, 19+23=42, 42+43=85, ...
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MATHEMATICA
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Needs[ "NumberTheory`NumberTheoryFunctions`" ]; NestList[ # + NextPrime[ # ] &, 1, 50 ]
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CROSSREFS
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Cf. A063807.
Sequence in context: A153732 A089924 A072916 this_sequence A002318 A095681 A079583
Adjacent sequences: A074836 A074837 A074838 this_sequence A074840 A074841 A074842
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KEYWORD
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easy,nonn
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AUTHOR
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Robert G. Wilson v (rgwv(AT)rgwv.com), Sep 09 2002
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