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 A023118 Signature sequence of 1/sqrt(5) (arrange the numbers i+j*x (i,j >= 1) in increasing order; the sequence of i's is the signature of x). 2
 1, 1, 1, 2, 1, 2, 1, 2, 3, 1, 2, 3, 1, 2, 3, 4, 1, 2, 3, 4, 1, 2, 3, 4, 5, 1, 2, 3, 4, 5, 1, 2, 3, 4, 5, 1, 6, 2, 3, 4, 5, 1, 6, 2, 3, 4, 5, 1, 6, 2, 7, 3, 4, 5, 1, 6, 2, 7, 3, 4, 5, 1, 6, 2, 7, 3, 8, 4, 5, 1, 6, 2, 7, 3, 8, 4, 5, 1, 6, 2, 7, 3, 8, 4, 9, 5, 1, 6, 2, 7, 3, 8, 4, 9, 5, 1, 6, 2, 7, 3, 8, 4, 9, 5, 1 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,4 REFERENCES C. Kimberling, "Fractal Sequences and Interspersions", Ars Combinatoria, vol. 45 p 157 1997. LINKS T. D. Noe, Table of n, a(n) for n=1..1000 C. Kimberling, Interspersions MATHEMATICA signseq[n_] := Take[ Transpose[ Sort[ Flatten[ Table[{i + j*n, i}, {i, Max[15, 15n]}, {j, Max[15, 15/n]}], 1], #1[[1]] < #2[[1]] &]][[2]], 105]; signseq[1/Sqrt[5]] (* Robert G. Wilson v, Sep 20 2004 *) CROSSREFS Sequence in context: A023128 A237260 A249727 * A122197 A030718 A227779 Adjacent sequences:  A023115 A023116 A023117 * A023119 A023120 A023121 KEYWORD nonn AUTHOR EXTENSIONS More terms from Robert G. Wilson v, Sep 20 2004 STATUS approved

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Last modified January 25 02:01 EST 2022. Contains 350565 sequences. (Running on oeis4.)