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 A348243 #22 Nov 06 2021 12:19:07 %S A348243 1,2,3,6,4,6,9,12,8,12,15,5,7,14,10,14,21,15,18,21,24,16,24,27,36,20, %T A348243 28,32,36,45,25,30,35,42,49,56,40,48,56,63,45,54,63,72,64,72,81,90,50, %U A348243 60,70,80,90,99,11,13,26,22,26,39,33,44,55,65,39,52,65,78,66,78,91,77,88,99 %N A348243 Successive terms in A307730 but listing just one of each run of identical terms. %C A348243 Obviously the graph here is a compressed version of the graph of A307730. %H A348243 Rémy Sigrist, <a href="/A348243/b348243.txt">Table of n, a(n) for n = 1..25000</a> (first 261 terms from N. J. A. Sloane) %H A348243 Rémy Sigrist, <a href="/A348243/a348243.txt">C program for A348243</a> %e A348243 A307730 begins 1, 2, 2, 3, 3, 3, 6, 4, 4, 4, 4, 6, 6, 6, 6, 6, 9, 9, 9, 9, 9, 9, 9, 9, 9, 12, 8, 8, 8, ... Replacing runs of identical terms by a single number, we get 1, 2, 3, 6, 4, 6, 9, 12, 8, ... %o A348243 (C) See Links section. %Y A348243 Cf. A307720, A307730, A348244-A348248. %K A348243 nonn %O A348243 1,2 %A A348243 _N. J. A. Sloane_, Oct 16 2021