This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.
%I A223025 #19 Jan 05 2025 19:51:40 %S A223025 1,2,3,1,4,2,1,5,1,3,2,1,6,2,1,4,1,3,2,1,7,1,3,2,1,5,2,1,4,1,3,2,1,8, %T A223025 2,1,4,1,3,2,1,6,1,3,2,1,5,2,1,4,1,3,2,1,9,1,3,2,1,5,2,1,4,1,3,2,1,7, %U A223025 2,1,4,1,3,2,1,6,1,3,2,1,5,2,1,4,1,3,2 %N A223025 Gives the column number which contains n in the dual Wythoff array (beginning the column count at 1). %D A223025 Clark Kimberling, Stolarsky interspersions, Ars Combinatoria 39 (1995), 129-138. %H A223025 Clark Kimberling, <a href="https://web.archive.org/web/2024*/https://www.fq.math.ca/Scanned/32-4/kimberling.pdf">The first column of an interspersion</a>, The Fibonacci Quarterly 32 (1994), 301-315. %e A223025 a(23) = 3 because 23 is in the third column of the dual Wythoff array (see A126714). %Y A223025 Cf. A007066, A126714, A047924, A167198, A035614. %K A223025 nonn %O A223025 1,2 %A A223025 _Casey Mongoven_, Mar 11 2013