Semiprime 2-pseudoprimes of the form 10k + 7.

Terms

a(0) =1387a(1) =2047a(2) =3277a(3) =7957a(4) =13747a(5) =23377a(6) =31417a(7) =60787a(8) =65077a(9) =88357a(10) =164737a(11) =188057a(12) =233017a(13) =275887a(14) =390937a(15) =486737a(16) =489997a(17) =514447a(18) =580337a(19) =604117a(20) =672487a(21) =680627a(22) =769567a(23) =769757a(24) =916327a(25) =1092547a(26) =1132657a(27) =1145257a(28) =1252697a(29) =1293337