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7, 6, 5, 4, 3, 2, 1, 0, 15, 14, 13, 12, 11, 10, 9, 8, 23, 22, 21, 20, 19, 18, 17, 16, 31, 30, 29, 28, 27, 26, 25, 24, 39, 38, 37, 36, 35, 34, 33, 32, 47, 46, 45, 44, 43, 42, 41, 40, 55, 54, 53, 52, 51, 50, 49, 48, 63, 62
(list; graph; refs; listen; history; internal format)
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OFFSET
| 0,1
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REFERENCES
| 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
| Index entries for sequences related to Nim-sums
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FORMULA
| a(n) = n + (-1)^n + 2(-1)^[n/2] + 4(-1)^[n/4] - Mitchell Harris, Jan 10 2005
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CROSSREFS
| Sequence in context: A022963 A023449 A031098 * A031099 A194755 A055118
Adjacent sequences: A004445 A004446 A004447 * A004449 A004450 A004451
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KEYWORD
| nonn
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AUTHOR
| N. J. A. Sloane (njas(AT)research.att.com).
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