Composite numbers k == 5, 7 (mod 12) such that 3^((k-1)/2) == -1 (mod k).

Terms

a(0) =703a(1) =1891a(2) =3281a(3) =8911a(4) =12403a(5) =16531a(6) =44287a(7) =63139a(8) =79003a(9) =97567a(10) =105163a(11) =152551a(12) =182527a(13) =188191a(14) =211411a(15) =218791a(16) =288163a(17) =313447a(18) =320167a(19) =364231a(20) =385003a(21) =432821a(22) =453259a(23) =497503a(24) =563347a(25) =638731a(26) =655051a(27) =658711a(28) =801139a(29) =859951