Divisors of 10^14 - 1.

Terms

a(0) =1a(1) =3a(2) =9a(3) =11a(4) =33a(5) =99a(6) =239a(7) =717a(8) =2151a(9) =2629a(10) =4649a(11) =7887a(12) =13947a(13) =23661a(14) =41841a(15) =51139a(16) =153417a(17) =460251a(18) =909091a(19) =1111111a(20) =2727273a(21) =3333333a(22) =8181819a(23) =9999999a(24) =10000001a(25) =12222221a(26) =30000003a(27) =36666663a(28) =90000009a(29) =109999989