Smallest positive number divisible by n whose decimal expansion has the form 22...200...0.
A216812
Smallest positive number divisible by n whose decimal expansion has the form 22...200...0.
Terms
- a(0) =2a(1) =2a(2) =222a(3) =20a(4) =20a(5) =222a(6) =222222a(7) =200a(8) =222222222a(9) =20a(10) =2222222222a(11) =2220a(12) =222222222222a(13) =222222a(14) =2220a(15) =2000a(17) =222222222a(19) =20a(20) =222222
External references
- oeis: A216812