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A023131 Signature sequence of sqrt(8) (arrange the numbers i+j*x (i,j >= 1) in increasing order; the sequence of i's is the signature of x). 3

%I

%S 1,2,3,1,4,2,5,3,6,1,4,7,2,5,8,3,6,9,1,4,7,10,2,5,8,11,3,6,9,12,1,4,7,

%T 10,13,2,5,8,11,14,3,6,9,12,15,1,4,7,10,13,16,2,5,8,11,14,17,3,6,9,12,

%U 15,1,18,4,7,10,13,16,2,19,5,8,11,14,17,3,20,6,9,12,15,1,18,4

%N Signature sequence of sqrt(8) (arrange the numbers i+j*x (i,j >= 1) in increasing order; the sequence of i's is the signature of x).

%D C. Kimberling, "Fractal Sequences and Interspersions", Ars Combinatoria, vol. 45 p 157 1997.

%H T. D. Noe, <a href="/A023131/b023131.txt">Table of n, a(n) for n=1..1000</a>

%H C. Kimberling, <a href="http://faculty.evansville.edu/ck6/integer/intersp.html">Interspersions</a>

%K nonn

%O 1,2

%A _Clark Kimberling_

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Last modified May 23 16:39 EDT 2022. Contains 353977 sequences. (Running on oeis4.)