a(n) is the least positive integer in base 10 containing n fours that is divisible by n.
A112897
a(n) is the least positive integer in base 10 containing n fours that is divisible by n.
Terms
- a(0) =4a(1) =44a(2) =444a(3) =4444a(4) =444440a(5) =444444a(6) =14444444a(7) =444444144a(8) =444444444a(9) =44444444440a(10) =444444444444a(11) =444444444444
External references
- oeis: A112897