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%I #42 Apr 29 2021 01:37:41
%S 1,4,8,53,48,0,62,18,38,87,0,114,260,0,221,0,568,0,627,155,0,646,0,
%T 1724,695,0,282,0,1433,751,0,36460,0,949,483379914,0,8018,0,1257,0,
%U 1553,1858,0,4057,0,9262,3825,0,10606,0,115835,3153,0,0,0,6982
%N Location of the first gap of exactly n in Ulam numbers, or zero if none is known. The zero terms are conjectural.
%C Some terms are not believed to exist. However, the first gap of 35 occurs at 483379914 and the first gap of 88 occurs at 1127544124. - _Jud McCranie_, Jul 31 2012
%H Jud McCranie, <a href="/A214603/a214603.txt">Known terms up to 890</a>
%e The first gap of 5 in Ulam numbers occurs after 48, so a(5) = 48.
%Y Cf. A002858, A080287, A080288.
%K nonn
%O 1,2
%A _Jud McCranie_, Jul 22 2012
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