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 A159887 #21 Jan 14 2024 11:53:06 %S A159887 29,39,41,43,45,55,57,59,93,103,105,107,109,119,121,251,285,295,297, %T A159887 299,301,311,313,315,349,359,361,363,365,375,377,507,541,551,553,555, %U A159887 557,567,569,571,605,615,617,619,621,631,633,763,797,807,809,811,813,823,825 %N A159887 Trajectory of 29 under repeated application of the map n -> A102370(n). %C A159887 Not the same as A159888: see the comments in A159888. %C A159887 The divergence from A159888 follows from Theorem 3.1 in the Applegate, Cloitre, Deléham and Sloane link: in general, the first differences of an A102370 trajectory cannot be a cycle. - _Peter Munn_, Jan 14 2024 %H A159887 David Applegate, Benoit Cloitre, Philippe Deléham and N. J. A. Sloane, <a href="https://cs.uwaterloo.ca/journals/JIS/VOL8/Sloane/sloane300.html">Sloping binary numbers: a new sequence related to the binary numbers</a>, J. Integer Seq. 8 (2005), no. 3, Article 05.3.6, 15 pp. %H A159887 <a href="/index/Se#sequences_which_agree_for_a_long_time">Index entries for sequences which agree for a long time but are different</a> %Y A159887 Cf. A102370, A159888. %Y A159887 Trajectories of other numbers: A103192 (1), A103747 (2), A103621 (7), A158953 (12). %K A159887 nonn,base %O A159887 1,1 %A A159887 _Philippe Deléham_, Apr 25 2009 %E A159887 Missing term 617 inserted by _Georg Fischer_, Nov 28 2023