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 A058335 #2 Feb 27 2009 03:00:00 %S A058335 1,4,5,10,12,22,35,49,64,84,100,122,141,169,225,271,295,338,399,465, %T A058335 547,579,670,745,816,917,993,1033,1172,1258,1401,1533,1644,1789,1878, %U A058335 2106,2257,2419,2571,2724,2942,3006,3148,3308,3475,3719,3991,4272,4428 %N A058335 a(n) = least value such that sequence increases and pairwise differences are unique. %C A058335 A variation on A005282 (Mian-Chowla, where positive differences of pairs of elements are unique) by starting with a(1) =1, a(2) = 4. %Y A058335 Cf. A005282, A051788. %K A058335 nonn %O A058335 1,2 %A A058335 Gerald A. Mischke (Gerald.Mischke(AT)mutualofomaha.com), Dec 13 2000