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 A109239 Self-inverse integer permutation induced by Beatty sequences for (e^2+1)/(e^2-1) and (e^2+1)/2. 5
 4, 8, 12, 1, 16, 20, 25, 2, 29, 33, 37, 3, 41, 46, 50, 5, 54, 58, 62, 6, 67, 71, 75, 79, 7, 83, 88, 92, 9, 96, 100, 104, 10, 109, 113, 117, 11, 121, 125, 130, 13, 134, 138, 142, 146, 14, 151, 155, 159, 15, 163, 167, 171, 17, 176, 180, 184, 18, 188, 192 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 COMMENTS a(n) = A164088(n) for n <= 26. [Reinhard Zumkeller, Aug 11 2009] LINKS Eric Weisstein's World of Mathematics, Beatty Sequence FORMULA a(A109237(n))=A109238(n) and a(A109238(n))=A109237(n). CROSSREFS Cf. A109233, A109236, A109237, A109238. Sequence in context: A181684 A126006 A164088 * A056135 A159586 A120230 Adjacent sequences:  A109236 A109237 A109238 * A109240 A109241 A109242 KEYWORD nonn AUTHOR Reinhard Zumkeller, Jun 23 2005 STATUS approved

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Last modified September 24 14:00 EDT 2020. Contains 337321 sequences. (Running on oeis4.)