Bases b where exactly nine primes p with p < b exist such that p is a base-b Wieferich prime.

Terms

a(0) =10768a(1) =24599a(2) =27557a(3) =29957a(4) =33301a(5) =35397a(6) =45009a(7) =49085a(8) =55241a(9) =60661a(10) =63290a(11) =69389a(12) =89101a(13) =90607a(14) =93657a(15) =101305a(16) =103751a(17) =105657a(18) =117618a(19) =120473a(20) =123824a(21) =126449a(22) =129473a(23) =132857a(24) =133524a(25) =133948a(26) =138149a(27) =138896a(28) =143882a(29) =147717