Numbers n such that (n^83-1)/(n-1) is prime.

Terms

a(0) =41a(1) =146a(2) =386a(3) =593a(4) =667a(5) =688a(6) =906a(7) =927a(8) =930a(9) =1025a(10) =1032a(11) =1111a(12) =1410a(13) =1437a(14) =1638a(15) =1829a(16) =1960a(17) =2045a(18) =2381a(19) =2384a(20) =2618a(21) =2807a(22) =2909a(23) =3059a(24) =3164a(25) =3268a(26) =3370a(27) =3783a(28) =3861a(29) =4043