Number of digit patterns of length n such that all integers of that digital type share a common prime factor of a different digital type.
A378199
Number of digit patterns of length n such that all integers of that digital type share a common prime factor of a different digital type.
Terms
- a(0) =0a(1) =0a(2) =1a(3) =4a(4) =1a(5) =26a(6) =1a(7) =175a(8) =365a(9) =1513a(10) =1a(11) =52611a(12) =989a(13) =426897a(14) =3072870a(15) =11132038a(16) =1a(17) =879525398a(18) =316025138
External references
- oeis: A378199