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 A004455 Nimsum n + 14. 1
 14, 15, 12, 13, 10, 11, 8, 9, 6, 7, 4, 5, 2, 3, 0, 1, 30, 31, 28, 29, 26, 27, 24, 25, 22, 23, 20, 21, 18, 19, 16, 17, 46, 47, 44, 45, 42, 43, 40, 41, 38, 39, 36, 37, 34, 35, 32, 33, 62, 63, 60, 61, 58, 59, 56, 57, 54, 55, 52, 53, 50, 51, 48, 49, 78, 79, 76 (list; graph; refs; listen; history; text; internal format)
 OFFSET 0,1 COMMENTS A self-inverse permutation of the natural numbers. - Philippe Deléham, Nov 22 2016 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 Colin Barker, Table of n, a(n) for n = 0..1000 Index entries for linear recurrences with constant coefficients, signature (2,-2,2,-2,2,-2,2,-2,2,-2,2,-2,2,-2,2,-1). FORMULA a(n) = n + 2(-1)^[n/2] + 4(-1)^[n/4] + 8(-1)^[n/8]. - Mitchell Harris, Jan 10 2005 G.f.: (14-13*x+10*x^2-9*x^3+6*x^4-5*x^5+2*x^6-x^7-2*x^8+3*x^9-6*x^10+7*x^11-10*x^12+11*x^13-14*x^14+15*x^15) / ((1-x)^2*(1+x^2)*(1+x^4)*(1+x^8)). - Colin Barker, Apr 12 2016 PROG (PARI) Vec((14-13*x+10*x^2-9*x^3+6*x^4-5*x^5+2*x^6-x^7-2*x^8+3*x^9-6*x^10+7*x^11-10*x^12+11*x^13-14*x^14+15*x^15) / ((1-x)^2*(1+x^2)*(1+x^4)*(1+x^8)) + O(x^50)) \\ Colin Barker, Apr 12 2016 CROSSREFS Sequence in context: A134913 A176169 A168548 * A142865 A089838 A297278 Adjacent sequences:  A004452 A004453 A004454 * A004456 A004457 A004458 KEYWORD nonn,easy AUTHOR STATUS approved

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Last modified October 17 17:21 EDT 2021. Contains 348065 sequences. (Running on oeis4.)