Least k such that n-th repunit times k contains all digits from 1 to 9.

Terms

a(0) =123456789a(1) =11225079a(2) =1113198a(3) =210789a(4) =11115a(5) =11115a(6) =11115a(7) =11115a(8) =11115a(9) =11115a(10) =11115a(11) =11115a(12) =11115a(13) =11115a(14) =11115a(15) =11115a(16) =11115a(17) =11115a(18) =11115a(19) =11115a(20) =11115a(21) =11115a(22) =11115a(23) =11115a(24) =11115a(25) =11115a(26) =11115a(27) =11115a(28) =11115a(29) =11115