| 1, 3, 4, 7, 9, 10, 12, 15, 16, 19, 21, 22, 25, 26, 28, 31, 33, 34, 36, 39, 40, 43, 45, 46, 48, 51, 53, 54, 57, 58, 60, 63, 64, 67, 69, 70, 73, 74, 76, 79, 81, 82, 84, 87, 88, 91, 93, 94, 97, 98, 100, 103, 104, 107, 109, 110, 112, 115, 117, 118, 121, 122, 124, 127, 129, 130
(list; graph; listen)
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OFFSET
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0,2
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LINKS
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T. D. Noe, Table of n, a(n) for n=0..1000
J.-P. Allouche, J. Shallit and G. Skordev, Self-generating sets, integers with missing blocks and substitutions, Discrete Math. 292 (2005) 1-15.
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FORMULA
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a(0) = 1, a(2n) = -a(n) + 6n + 1, a(2n+1) = a(n) + 2n + 2. a(n) = 2n+1 - 1/2(1-(-1)^A023416(n)) = 2n+1-A059448(n). - Ralf Stephan (ralf(AT)ark.in-berlin.de), Sep 17 2003
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CROSSREFS
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Cf. A000069, A001969, A059009-A059014.
Adjacent sequences: A059007 A059008 A059009 this_sequence A059011 A059012 A059013
Sequence in context: A088958 A026225 A026140 this_sequence A066928 A032726 A029739
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KEYWORD
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nonn,easy,nice
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AUTHOR
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Patrick De Geest (pdg(AT)worldofnumbers.com), Dec 15 2000.
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