Smallest composite integer in base n which remains composite after altering any one or two digits.
A133219
Smallest composite integer in base n which remains composite after altering any one or two digits.
Terms
- a(0) =1010100a(1) =2200100a(2) =20130000a(3) =3243003420a(4) =55111253530
External references
- oeis: A133219