Smallest multiple of n starting with 1 with descending digit string (a left substring of 10987654321098...), 0 if no such number exists.
A069886
Smallest multiple of n starting with 1 with descending digit string (a left substring of 10987654321098...), 0 if no such number exists.
Terms
- a(0) =1a(1) =10a(2) =1098a(3) =109876a(4) =10a(5) =1098a(6) =109876543a(7) =1098765432a(8) =1098a(9) =10a(11) =1098765432a(12) =109876a(13) =109876543210a(14) =1098765a(15) =0a(17) =1098a(19) =0
External references
- oeis: A069886