a(n) is the least positive integer in base 10 containing n sevens that is divisible by n.
A112904
a(n) is the least positive integer in base 10 containing n sevens that is divisible by n.
Terms
- a(0) =7a(1) =770a(2) =777a(3) =77772a(4) =777770a(5) =7777770a(6) =7777777a(7) =777777776a(8) =777777777a(9) =77777777770a(10) =777777777777
External references
- oeis: A112904