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Search: id:A004456
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| 15, 14, 13, 12, 11, 10, 9, 8, 7, 6, 5, 4, 3, 2, 1, 0, 31, 30, 29, 28, 27, 26, 25, 24, 23, 22, 21, 20, 19, 18, 17, 16, 47, 46, 45, 44, 43, 42, 41, 40, 39, 38, 37, 36, 35, 34, 33, 32, 63, 62, 61, 60, 59, 58, 57, 56, 55, 54
(list; graph; listen)
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OFFSET
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0,1
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REFERENCES
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E. R. Berlekamp, J. H. Conway and R. K. Guy, Winning Ways, Academic Press, NY, 2 vols., 1982, see p. 60.
J. H. Conway, On Numbers and Games. Academic Press, NY, 1976, pp. 51-53.
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LINKS
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Index entries for sequences related to Nim-sums
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FORMULA
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a(n) = n + (-1)^n + 2(-1)^[n/2] + 4(-1)^[n/4] + 8(-1)^[n/8] - Mitchell Harris, Jan 10 2005
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CROSSREFS
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Sequence in context: A130677 A022971 A023457 this_sequence A055126 A087979 A048294
Adjacent sequences: A004453 A004454 A004455 this_sequence A004457 A004458 A004459
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KEYWORD
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nonn
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AUTHOR
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njas
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