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A004459 Nimsum n + 18. +0
1
18, 19, 16, 17, 22, 23, 20, 21, 26, 27, 24, 25, 30, 31, 28, 29, 2, 3, 0, 1, 6, 7, 4, 5, 10, 11, 8, 9, 14, 15, 12, 13, 50, 51, 48, 49, 54, 55, 52, 53, 58, 59, 56, 57, 62, 63, 60, 61, 34, 35, 32, 33, 38, 39, 36, 37, 42, 43 (list; graph; listen)
OFFSET

0,1

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.

LINKS

Index entries for sequences related to Nim-sums

FORMULA

a(n) = n + 2(-1)^[n/2] + 16(-1)^[n/16] - Mitchell Harris, Jan 10 2005

CROSSREFS

Sequence in context: A040307 A022352 A050686 this_sequence A004507 A018823 A025144

Adjacent sequences: A004456 A004457 A004458 this_sequence A004460 A004461 A004462

KEYWORD

nonn

AUTHOR

njas

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Last modified July 24 12:00 EDT 2008. Contains 142294 sequences.


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