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The smallest integer x > 0 such that the number of terms of A050376 in (x/2,x] equals n.
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%I #12 Sep 07 2013 14:33:08

%S 2,3,5,13,17,25,31,49,61,71,73,81,103,109,113,131,139,157,173,181,191,

%T 193,199,239,241,257,269,271,283,289,293,313,353,361,373,379,409,419,

%U 421,433,439,443,463,491,499,509,571,577,599,601,607,613,619,643,647

%N The smallest integer x > 0 such that the number of terms of A050376 in (x/2,x] equals n.

%C The sequence is an analog of Labos primes (A080359) in Fermi-Dirac arithmetic, since in this arithmetic terms of A050376 play role of primes (see comments in A050376).

%H Peter J. C. Moses, <a href="/A186945/b186945.txt">Table of n, a(n) for n = 1..10000</a>

%F a(n) <= A228520(n).

%Y Cf. A080359, A228520, A228592.

%K nonn

%O 1,1

%A _Vladimir Shevelev_, Aug 30 2013

%E More terms from _Peter J. C. Moses_