A023126 - OEIS

A023126

Signature sequence of 1/e^2 (arrange the numbers i+j*x (i,j >= 1) in increasing order; the sequence of i's is the signature of x).

%I #12 May 27 2024 10:54:19

%S 1,1,1,1,1,1,1,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,3,1,2,3,1,2,3,1,2,3,1,

%T 2,3,1,2,3,1,2,3,1,2,3,1,4,2,3,1,4,2,3,1,4,2,3,1,4,2,3,1,4,2,3,1,4,2,

%U 3,1,4,2,3,1,4,2,5,3,1,4,2,5,3,1

%N Signature sequence of 1/e^2 (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 pp. 157-168, 1997.

%H T. D. Noe, <a href="/A023126/b023126.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>

%H <a href="/index/Si#signature_sequences">Index entries for sequences related to signature sequences</a>

%K nonn

%O 1,9

%A _Clark Kimberling_