%I #2 May 16 2003 03:00:00
%S 1,3,4,8,14,22,31,46,62,82,108,137,149,171,206,259,303,367,414,479,
%T 545,578,658,728,848,921,1004,1130,1268,1352,1454,1584,1669,1876,1915,
%U 2114,2303,2404,2563,2797,2991,3112,3270,3423,3592,3773,3889,4284,4727,4819
%N a(1) = 1, a(2) = 3; for n>2, a(n) = least value > a(n-1) such that pairwise differences are unique.
%C A variation on A005282 (Mian-Chowla, where sums of pairs of elements are unique).
%Y Cf. A005282, A080201 (for differences that do not occur).
%K nonn
%O 1,2
%A Gerald A. Mischke (Gerald.Mischke(AT)mutualofomaha.com), Dec 09 1999