Least k such that 10^n+k is a brilliant number (cf. A078972).

Terms

a(0) =3a(1) =0a(2) =21a(3) =3a(4) =201a(5) =13a(6) =18081a(7) =43a(8) =140049a(9) =81a(10) =600009a(11) =147a(12) =6000009a(13) =73a(14) =380000361a(15) =3a(16) =1400000049a(17) =831a(18) =14000000049a(19) =49a(20) =380000000361a(21) =987a(22) =600000000009a(23) =691a(25) =183a(27) =4153a(29) =279