Numbers k that divide 3^((k-1)/2) - 2^((k-1)/2) - 1.

Terms

a(0) =1a(1) =3a(2) =35a(3) =147a(4) =195a(5) =219a(6) =291a(7) =399a(8) =579a(9) =583a(10) =723a(11) =939a(12) =1011a(13) =1023a(14) =1227a(15) =1299a(16) =1371a(17) =1443a(18) =1731a(19) =1803a(20) =2019a(21) =2307a(22) =2499a(23) =2811a(24) =3003a(25) =3027a(26) =3099a(27) =3387a(28) =3459a(29) =3603