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%I #11 Aug 21 2016 11:04:46
%S 1,2,3,3,3,4,5,6,7,7,7,8,8,9,9,10,11,12,13,13,13,14,15,16,17,17,17,18,
%T 18,19,19,20,21,21,22,23,24,24,25,25,26,26,26,27,28,29,30,31,31,31,32,
%U 33,34,34,35,35,36,36,36,37,38,39,40,40,41,42,42,43,43,44,44,45,46,47,47,48,48,48,49,49
%N a(n) is the number of i <= n such that A065188(i) >= i.
%C Counts terms of A065188 that are on or below the main diagonal.
%Y Cf. A065188, A275891, A275892.
%K nonn
%O 1,2
%A _N. J. A. Sloane_, Aug 20 2016
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