Numbers k such that k and 4*k, taken together, are zeroless pandigital, that is, use all the digits 1-9 exactly once.
A115929
Numbers k such that k and 4*k, taken together, are zeroless pandigital, that is, use all the digits 1-9 exactly once.
Terms
- a(0) =3942a(1) =4392a(2) =5796a(3) =7956
External references
- oeis: A115929