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%I #7 May 09 2021 02:30:56
%S 0,0,0,0,1,2,1,2,3,6,7,10,9,14,13,14,19,22,23,26,31,36,37,42,45,46,45,
%T 44,49,52,51,50,55,62,65,66,69,70,73,80,85,88,93,94,103,104,109,114,
%U 117,118,121,126,127,136,135,136,135,138,139,150,161,164,163,164
%N a(n) = number of integers 2 <= i < A247665(n) that are not yet terms of A247665.
%C An alternative version to A249049. The latter is the main entry.
%Y Cf. A247665. Equals A249049(n)-1.
%K nonn
%O 1,6
%A _N. J. A. Sloane_, Oct 30 2014
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