The OEIS is supported by the many generous donors to the OEIS Foundation.

 Hints (Greetings from The On-Line Encyclopedia of Integer Sequences!)
 A023123 Signature sequence of e (arrange the numbers i+j*x (i,j >= 1) in increasing order; the sequence of i's is the signature of x). 4

%I

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

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

%U 12,4,15,7,18,10,2,13,5,16,8,19,11,3,14,6,17,9,20,1,12,4,15,7,18,10,21,2

%N Signature sequence of e (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="/A023123/b023123.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_

%E The a(47) term was missing. Corrected by _T. D. Noe_, Aug 12 2008

Lookup | Welcome | Wiki | Register | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Style Sheet | Transforms | Superseeker | Recents
The OEIS Community | Maintained by The OEIS Foundation Inc.

Last modified March 25 15:32 EDT 2023. Contains 361528 sequences. (Running on oeis4.)