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 A026144 #12 Aug 28 2021 00:00:45 %S A026144 1,2,4,6,7,10,12,13,16,18,19,21,22,25,28,30,31,34,36,37,39,40,43,46, %T A026144 48,49,52,54,55,57,58,61,63,64,66,67,70,73,75,76,79,82,84,85,88,90,91, %U A026144 93,94,97,100,102,103,106,108,109,111,112,115,117,118,120,121 %N A026144 Numbers k such that s(j) < s(k) for all j < k, where s = A026142. %H A026144 F. M. Dekking, <a href="https://arxiv.org/abs/2001.08915">Permutations of N generated by left-right filling algorithms</a>, arXiv:2001.08915 [math.CO], 2020, see R_pos in section 2.4. %Y A026144 Cf. A026142, A026145. %K A026144 nonn %O A026144 1,2 %A A026144 _Clark Kimberling_