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%I #2 Mar 31 2012 13:21:20
%S 415,1639,2359,3995,5191,5459,7567,7811,8315,8459,8479,9611,9895,9943,
%T 11159,12271,12731,12851,13835,14447,15155,15251,16091,17891,18143,
%U 18319,21059,21755,23055,23411,23435,23815,24395,24535,26143,27179
%N Integers of the form 4n+3 for which Sum_{i=1..u} J(i,4n+3) obtains value zero exactly 7 times, when u ranges from 1 to (4n+3). Here J(i,k) is the Jacobi symbol.
%C Fourth row of A166092.
%Y a(n) = A004767(A166056(n)).
%K nonn
%O 1,1
%A _Antti Karttunen_, Oct 08 2009
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