%I #11 May 27 2024 11:39:13
%S 1,1,1,1,2,1,2,1,2,1,2,3,1,2,3,1,2,3,1,2,3,4,1,2,3,4,1,2,3,4,1,2,3,4,
%T 5,1,2,3,4,5,1,2,3,4,5,1,2,3,4,5,6,1,2,3,4,5,6,1,2,3,4,5,6,1,2,3,4,5,
%U 6,7,1,2,3,4,5,6,7,1,2,3,4,5,6,7,1,2,3,4,5,6,7,8
%N Signature sequence of 1/Pi (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="/A023134/b023134.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 1,5
%A _Clark Kimberling_