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 A161596 #13 Dec 31 2022 10:45:39 %S A161596 78,111,117,156,222,288,444,888,1223,1677,3489,4444,8888,11119,11127, %T A161596 11667,11999,12333,16777,23388,27888,34589,44556,111177,112333,228888, %U A161596 444455,889999,1111113,1177777,1788899,2222244,4446666,4558889,11144445,13444447,55556688 %N A161596 Numbers in cycles of RATS sequences. %C A161596 The set of all numbers in any cycle of RATS sequences, sorted into natural order. %C A161596 This implies that for any value a(j) in this sequence, A036839(a(j)) is again member of the sequence. %C A161596 See Branicky link for larger terms. - _Michael S. Branicky_, Dec 30 2022 %H A161596 Michael S. Branicky, <a href="/A161596/a161596_1.txt">RATS Sequence Cycles</a>. %e A161596 The numbers 111, 222, 444, 888, 1677, 3489, 12333 and 44556 are in the sequence because they are in the cycle shown in A066710. The numbers 117 and 288 are in the cycle demonstrated in A066711. %e A161596 The numbers 4444, 8888, 16777, 34589, 112333, 444455, ..., 1112278888, 11999, 1119, 1223 are in the cycle started at A161590(4). The numbers 11127 and 23388 are in the cycle started at A161590(7). %Y A161596 Cf. A004000, A036839, A066711, A066710, A161590, A161592. %K A161596 nonn,base %O A161596 1,1 %A A161596 _J. H. Conway_ and _Tanya Khovanova_, Jun 14 2009 %E A161596 Descriptive comment and examples added by _R. J. Mathar_, Jul 08 2009 %E A161596 a(20) and beyond from _Michael S. Branicky_, Dec 30 2022