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 A058223 #10 Jul 29 2022 09:51:06 %S A058223 1,2,3,4,5,6,7,5,6,7,8,8,10,11,12,8,9,11,12,13,8,9,10,12,13,14,9,10, %T A058223 11,12,13,9,10,11,12,13,14,9,10,11,12,13,14,15,9,10,11,12,13,14,15,16, %U A058223 13,16,18,19,20,13,15,18,20,21,22,13,14,16,19,21,22,23,13,14,15,17,20,22,23,24 %N A058223 Tree of Meeussen sequences read across rows. %C A058223 Labels on paths down the tree are Meeussen Sequences: b(1)=1 < b(2) <...< b(n) such that b(n)-1 has a unique representation as a sum of distinct b(i) (i<n). %H A058223 Sean A. Irvine, <a href="/A058223/b058223.txt">Table of n, a(n) for n = 0..10000</a> %H A058223 M. Cook and M. Kleber, <a href="https://doi.org/10.37236/1522">Tournament sequences and Meeussen sequences</a>, Electronic J. Comb. 7 (2000), #R44. %e A058223 Irregular triangle begins: %e A058223 1; %e A058223 2; %e A058223 3,4; %e A058223 5,6,7,5,6,7,8; %e A058223 ... %Y A058223 A008934 gives number of children at level n. Cf. A058222. %K A058223 nonn,easy,nice,tabf %O A058223 0,2 %A A058223 _N. J. A. Sloane_, Dec 02 2000