%I
%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. 157168, 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>
%K nonn
%O 1,9
%A _Clark Kimberling_
