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Search: id:A144430
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| 2, 3, 4, 5, 7, 10, 11, 13, 16, 17, 19, 22, 23, 25, 28, 29, 31, 34, 35, 37, 40, 41, 43, 46, 47, 49, 52, 53, 55, 58, 59, 61, 64, 65, 67, 70, 71, 73, 76, 77, 79, 82, 83, 85, 88, 89, 91, 94, 95, 97, 100, 101, 103, 106, 107, 109, 112, 113, 115, 118, 119, 121, 124, 125, 127, 130
(list; graph; listen)
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OFFSET
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1,1
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COMMENT
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If you cross out every 3rd term starting at 4 and cross out multiples of 5, the reduced sequence is 2, 3, 7, 11, 13, 17, 19, 23, 29, 31, 37, 41, 43, 47, 49, 53, 59, 61,.. which starts with 14 primes.
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FORMULA
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a(n) = a(n-3)+6, n>5.
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CROSSREFS
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Cf. A144429.
Sequence in context: A133431 A123091 A160512 this_sequence A157082 A133493 A005520
Adjacent sequences: A144427 A144428 A144429 this_sequence A144431 A144432 A144433
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KEYWORD
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nonn,less
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AUTHOR
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Milton L. Brown (miltbrown(AT)earthlink.net), Oct 13 2008
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EXTENSIONS
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Edited and extended by R. J. Mathar (mathar(AT)strw.leidenuniv.nl), Oct 15 2008
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