The OEIS is supported by the many generous donors to the OEIS Foundation.
%I #2 Feb 27 2009 03:00:00
%S 1,4,5,10,12,22,35,49,64,84,100,122,141,169,225,271,295,338,399,465,
%T 547,579,670,745,816,917,993,1033,1172,1258,1401,1533,1644,1789,1878,
%U 2106,2257,2419,2571,2724,2942,3006,3148,3308,3475,3719,3991,4272,4428
%N a(n) = least value such that sequence increases and pairwise differences are unique.
%C 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 Cf. A005282, A051788.
%K nonn
%O 1,2
%A Gerald A. Mischke (Gerald.Mischke(AT)mutualofomaha.com), Dec 13 2000