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 A055983 #8 Aug 29 2013 15:01:54 %S A055983 10,12,14,16,18,20,24,28,32,38,44,52,62,74,88,104,148,200,288,392,542, %T A055983 770,1092,1838,2924,4780,8016,13842,27122,53738,109916,265698,631700, %U A055983 1557936,4347258,12785828,43721312,154070654,621230752,2655100718 %N A055983 a(n+1) = a(n) converted to base 10 from base 12. %H A055983 Vincenzo Librandi, <a href="/A055983/b055983.txt">Table of n, a(n) for n = 0..100</a> %F A055983 a(n+1) = A102487(a(n)+1), a(1) = 8. - _Reinhard Zumkeller_, Aug 29 2013 %t A055983 NestList[FromDigits[IntegerDigits[#],12]&,10,40] (* _Vincenzo Librandi_, Apr 06 2012 *) %o A055983 (Haskell) %o A055983 a055983 n = a055983_list !! (n-1) %o A055983 a055983_list = iterate (a102487 . (+ 1)) 10 -- _Reinhard Zumkeller_, Aug 29 2013 %Y A055983 Cf. A008557, A055982, A055984. %K A055983 base,nonn,easy %O A055983 0,1 %A A055983 _Henry Bottomley_, Jun 01 2000