Triangle of prime numbers in which n-th row lists all primes p such that 1/p has decimal period n, n >= 1.

A046107

Triangle of prime numbers in which n-th row lists all primes p such that 1/p has decimal period n, n >= 1.

Terms

    a(0) =3a(1) =11a(2) =37a(3) =101a(4) =41a(5) =271a(6) =7a(7) =13a(8) =239a(9) =4649a(10) =73a(11) =137a(12) =333667a(13) =9091a(14) =21649a(15) =513239a(16) =9901a(17) =53a(18) =79a(19) =265371653a(20) =909091a(21) =31a(22) =2906161a(23) =17a(24) =5882353a(25) =2071723a(26) =5363222357a(27) =19a(28) =52579a(30) =3541

External references