a(n) = the smallest number k such that k*n is a number with a string of 1's followed by a string of 0's.

A276348

a(n) = the smallest number k such that k*n is a number with a string of 1's followed by a string of 0's.

Terms

    a(0) =10a(1) =5a(2) =370a(3) =25a(4) =2a(5) =185a(6) =158730a(7) =125a(8) =123456790a(9) =1a(10) =10a(11) =925a(12) =85470a(13) =79365a(14) =74a(15) =625a(17) =61728395a(19) =5a(20) =52910a(21) =5a(23) =4625a(24) =4a(25) =42735a(27) =396825a(29) =37

External references