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Odd numbers n for which 7 is the smallest i (>= 1) with Jacobi symbol J(i,n) getting either a value 0 or -1.
2

%I #2 Mar 31 2012 14:02:21

%S 49,71,119,191,239,241,359,409,431,481,599,601,649,721,769,791,889,

%T 911,959,1031,1079,1081,1199,1249,1271,1321,1439,1441,1489,1561,1609,

%U 1631,1729,1751,1799,1871,1919,1921,2039,2089,2111,2161,2279,2281

%N Odd numbers n for which 7 is the smallest i (>= 1) with Jacobi symbol J(i,n) getting either a value 0 or -1.

%Y Row 4 of A112070. a(n) = 2*A112064(n)+1.

%K nonn

%O 1,1

%A _Antti Karttunen_, Aug 27 2005