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 A213979 #11 Feb 16 2025 08:33:17 %S A213979 1112,1112133,111213322112,111213322113,1113,11131,111311222112, %T A213979 111312,11131221,1113122112,1113122113,11131221131112,111312211312, %U A213979 11131221131211,111312211312113211,111312211312113221133211322112211213322112 %N A213979 Conway's 92 Look and Say audioactive elements, generated in lexicographic order. %D A213979 J. H. Conway, The weird and wonderful chemistry of audioactive decay, in T. M. Cover and Gopinath, eds., Open Problems in Communication and Computation, Springer, NY 1987, pp. 173-188. %H A213979 Reinhard Zumkeller, <a href="/A213979/b213979.txt">Table of n, a(n) for n = 1..92</a> %H A213979 Kevin Watkins, <a href="http://www.cs.cmu.edu/~kw/pubs/conway.pdf">Abstract Interpretation Using Laziness: Proving Conway's Lost Cosmological Theorem, </a> %H A213979 Kevin Watkins, <a href="http://www.cs.cmu.edu/~kw/pubs/conwayslides.pdf">Proving Conway's Lost Cosmological Theorem, POP seminar talk, CMU, Dec 2006</a> %H A213979 Eric Weisstein's World of Mathematics, <a href="https://mathworld.wolfram.com/LookandSaySequence.html">Look and Say Sequence</a> %H A213979 Wikipedia, <a href="http://en.wikipedia.org/wiki/Look-and-say_sequence">Look-and-say sequence</a> %H A213979 Reinhard Zumkeller, <a href="/A213979/a213979.hs.txt">Haskell programs for Look and Say audioactive elements</a> %o A213979 (Haskell) see Haskell link. %Y A213979 Cf. A119566, A215403. %K A213979 nonn,fini,base %O A213979 1,1 %A A213979 _Reinhard Zumkeller_, Aug 09 2012