Triangle read by rows: T(n, k) = smallest base b > 1 such that p = prime(n) is the k-th base-b Wieferich prime for k = 1, 2, 3, ..., n.

A258787

Triangle read by rows: T(n, k) = smallest base b > 1 such that p = prime(n) is the k-th base-b Wieferich prime for k = 1, 2, 3, ..., n.

Terms

    a(0) =5a(1) =8a(2) =17a(3) =7a(4) =26a(5) =449a(6) =30a(7) =18a(8) =197a(9) =557a(10) =3a(11) =9a(12) =118a(13) =1207a(14) =19601a(15) =22a(16) =146a(17) =19a(18) =361a(19) =8201a(20) =132857a(21) =38a(22) =40a(23) =224a(24) =249a(25) =4625a(26) =296449a(27) =4486949a(28) =54a(29) =28

External references