Composite numbers n such that n == 3 (mod 8) and 2^((n-1)/2) == -1 (mod n).

Terms

a(0) =476971a(1) =877099a(2) =1302451a(3) =1325843a(4) =1397419a(5) =1441091a(6) =1507963a(7) =1530787a(8) =1907851a(9) =2004403a(10) =3090091a(11) =3116107a(12) =5256091a(13) =5919187a(14) =7883731a(15) =9371251a(16) =11081459a(17) =11541307a(18) =12263131a(19) =13057787a(20) =13338371a(21) =15976747a(22) =17134043a(23) =18740971a(24) =19404139a(25) =20261251a(26) =21623659a(27) =22075579a(28) =24214051