Bases b for which there exists an integer y such that y^2 in base b consists of three identical digits.
A290172
Bases b for which there exists an integer y such that y^2 in base b consists of three identical digits.
Terms
- a(0) =18a(1) =22a(2) =30a(3) =68a(4) =146a(5) =292a(6) =313a(7) =423a(8) =439a(9) =499a(10) =521a(11) =581a(12) =653a(13) =699a(14) =710a(15) =787a(16) =1047a(17) =1353a(18) =1425a(19) =1660a(20) =1714a(21) =2060a(22) =2174a(23) =2198a(24) =2272a(25) =2819a(26) =3019a(27) =3130a(28) =3445a(29) =3789
External references
- oeis: A290172