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%I #7 Oct 13 2013 03:50:03
%S 1,4,5,9,11,14,15,16,21,24,25,31,35,39,41,46,50,54,55,60,70,71,74,75,
%T 79,80,81,86,101,104,106,114,120,125,131,134,136,144,146,150,151,154,
%U 161,166,169,170,176,179,184,185,186,199,201,224,234,235,236,240,244,249
%N a(n) = A132398(n)/6.
%H Zak Seidov, <a href="/A134921/b134921.txt">Table of n, a(n) for n = 1..1000.</a>
%F a(n) = A132398(n)/6.
%o (PARI) isok(n) = isprime(396*n^2 + 1); \\ _Michel Marcus_, Oct 13 2013
%Y Cf. A132398.
%K nonn
%O 1,2
%A _Zak Seidov_, Nov 15 2007
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