A023115 - OEIS

%I #13 May 28 2024 06:32:37

%S 1,1,2,1,2,3,1,2,3,1,4,2,3,1,4,2,5,3,1,4,2,5,3,1,6,4,2,5,3,1,6,4,2,7,

%T 5,3,1,6,4,2,7,5,3,8,1,6,4,2,7,5,3,8,1,6,4,9,2,7,5,3,8,1,6,4,9,2,7,5,

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

%N Signature sequence of 1/sqrt(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 p 157 1997.

%H T. D. Noe, <a href="/A023115/b023115.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>

%Y Cf. A010503.

%K nonn

%O 1,3

%A _Clark Kimberling_