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21, 20, 23, 22, 17, 16, 19, 18, 29, 28, 31, 30, 25, 24, 27, 26, 5, 4, 7, 6, 1, 0, 3, 2, 13, 12, 15, 14, 9, 8, 11, 10, 53, 52, 55, 54, 49, 48, 51, 50, 61, 60, 63, 62, 57, 56, 59, 58, 37, 36, 39, 38, 33, 32, 35, 34, 45, 44
(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 + 4(-1)^[n/4] + 16(-1)^[n/16] - Mitchell Harris, Jan 10 2005
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CROSSREFS
| Sequence in context: A105706 A022977 A023463 * A195033 A154352 A010860
Adjacent sequences: A004459 A004460 A004461 * A004463 A004464 A004465
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KEYWORD
| nonn
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AUTHOR
| N. J. A. Sloane (njas(AT)research.att.com).
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