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 A145077 #24 Feb 11 2018 16:36:05 %S A145077 1,2,3,11,5,131212367,11,1910112963,23,131212367,11,131212367, %T A145077 131212367,14,23,11126,17,222312455509,1910112963,1135,1112122,23,23, %U A145077 1112122,33,11126,133156118699543,222312455509,131212367,1135,31,111151786119,33,34,35,2455612 %N A145077 Highest point reached in trajectory of n described in A098282, or -1 if no cycle is ever reached. %C A145077 a(52) is currently unknown. - _Donovan Johnson_, Jan 08 2011 %C A145077 a(40) is probably incorrect and should be 11111114421614356. (See corrections to A098282 and A144914.) %H A145077 Donovan Johnson, <a href="/A145077/b145077.txt">Table of n, a(n) for n = 1..51</a> %Y A145077 Cf. A077960, A087712, A098282, A145078, A145079. %K A145077 nonn,base %O A145077 1,2 %A A145077 _David Applegate_ and _N. J. A. Sloane_, Feb 09 2009 %E A145077 More terms from _Donovan Johnson_, Jan 08 2011