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Search: id:A002099
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| A002099 |
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G.f.: -1+Product_{k>=1} (1+prime(k)*x^prime(k)).
(Formerly M0395 N0152)
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+0
2
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| 0, 0, 2, 3, 0, 11, 0, 17, 15, 14, 51, 11, 77, 35, 103, 131, 160, 227, 330, 218, 426, 794, 426, 1533, 641, 2072, 2071, 2491, 4381, 3880, 3925, 6079, 5446, 7914, 14017, 10421, 19768, 15486, 30589, 31901, 46119, 50917, 65574, 48002, 85155, 112648, 115127
(list; graph; listen)
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OFFSET
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0,3
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REFERENCES
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N. J. A. Sloane and Simon Plouffe, The Encyclopedia of Integer Sequences, Academic Press, 1995 (includes this sequence).
N. J. A. Sloane, A Handbook of Integer Sequences, Academic Press, 1973 (includes this sequence).
S. M. Kerawala, On a Pair of Arithmetic Functions Analogous to Chawla's Pair, J. Natural Sciences and Mathematics, 9 (1969), circa p. 103.
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LINKS
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T. D. Noe, Table of n, a(n) for n=0..500
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CROSSREFS
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Cf. A002098.
Sequence in context: A012398 A012652 A012404 this_sequence A059740 A005160 A085042
Adjacent sequences: A002096 A002097 A002098 this_sequence A002100 A002101 A002102
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KEYWORD
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nonn
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AUTHOR
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N. J. A. Sloane (njas(AT)research.att.com).
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EXTENSIONS
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Better description and more terms from Vladeta Jovovic (vladeta(AT)eunet.rs), May 09 2003
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