Primes p for which the period of reciprocal 1/p is (p-1)/12.

Terms

a(0) =37a(1) =613a(2) =733a(3) =1597a(4) =2677a(5) =3037a(6) =4957a(7) =5197a(8) =5641a(9) =7129a(10) =7333a(11) =7573a(12) =8521a(13) =8677a(14) =11317a(15) =14281a(16) =14293a(17) =15289a(18) =15373a(19) =16249a(20) =17053a(21) =17293a(22) =17317a(23) =19441a(24) =20161a(25) =21397a(26) =21613a(27) =21997a(28) =23053a(29) =23197