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 A267493 #18 Dec 19 2017 18:34:20 %S A267493 22,10213223,10313314,10311233,21322314,31123314,101111314,101111213, %T A267493 101111214,111121314,1031223314,10111221314 %N A267493 Autobiographical numbers in base 5: numbers which are fixed or belong to a cycle under the operator T. %C A267493 The T operator numerically summarizes the frequency of digits 0 through 4 in that order when they occur in a number. The numbers and the frequency are written in base 5. %C A267493 These are all autobiographical numbers in base 5 which lead to a fixed-point or belong to a cycle. However, in base 5 there are no cycles of length greater than 1, that is, all the terms are fixed-points. %D A267493 Antonia Münchenbach and Nicole Anton George, "Eine Abwandlung der Conway-Folge", contribution to "Jugend forscht" 2016, 2016 %H A267493 Andre Kowacs, <a href="https://arxiv.org/abs/1708.06452">Studies on the Pea Pattern Sequence</a>, arXiv:1708.06452 [math.HO], 2017. %e A267493 10213223 contains 1 0's, 2 1's, 3 2's and 2 3's. %Y A267493 Cf. A047841, A047842. %Y A267493 Cf. A267491, A267492, A267493, A267494, A267495, A267496, A267497, A267498, A267499, A267500, A267502. %K A267493 nonn,base,fini,full %O A267493 1,1 %A A267493 _Antonia Münchenbach_, Jan 16 2016