| 0, 2, 5, 6, 14, 15, 18, 20, 41, 42, 45, 47, 54, 56, 59, 60, 122, 123, 126, 128, 135, 137, 140, 141, 162, 164, 167, 168, 176, 177, 180, 182, 365, 366, 369, 371, 378, 380, 383, 384, 405, 407, 410, 411, 419, 420, 423, 425, 486, 488, 491, 492, 500
(list; graph; listen)
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OFFSET
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0,2
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COMMENT
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Is this the same as A083097? - Andrew Plewe, May 30 2007
Apparently 2a(n) (mod 3) = A010060(n), the Thue-Morse sequence.
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FORMULA
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Numbers n such that C(4n, 2n) == 1 (mod 3) - Benoit Cloitre (benoit7848c(AT)orange.fr), Jul 30 2003
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CROSSREFS
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Cf. A051638, A083093.
Sequence in context: A058668 A092790 A105043 this_sequence A083097 A006596 A000092
Adjacent sequences: A083092 A083093 A083094 this_sequence A083096 A083097 A083098
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KEYWORD
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easy,nonn
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AUTHOR
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Benoit Cloitre (benoit7848c(AT)orange.fr), Apr 22 2003
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EXTENSIONS
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More terms from Antonio G. Astudillo (afg_astudillo(AT)lycos.com), Apr 29 2003
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