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A166059 Integers of the form 4n+3 for which Sum_{i=1..u} J(i,4n+3) obtains value zero exactly 9 times, when u ranges from 1 to (4n+3). Here J(i,k) is the Jacobi symbol. 2

%I

%S 91,175,575,631,731,1175,1591,2175,2575,3059,3199,3295,3575,4175,4575,

%T 4695,5939,5959,6143,6575,7175,7259,7383,7575,7615,8175,9175,9199,

%U 9491,9575,10135,10175,10407,10551,10607,10811,10955,11175,12575

%N Integers of the form 4n+3 for which Sum_{i=1..u} J(i,4n+3) obtains value zero exactly 9 times, when u ranges from 1 to (4n+3). Here J(i,k) is the Jacobi symbol.

%C Fifth row of A166092.

%Y a(n) = A004767(A166058(n)).

%K nonn

%O 1,1

%A _Antti Karttunen_, Oct 08 2009

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Last modified November 13 07:13 EST 2019. Contains 329085 sequences. (Running on oeis4.)