1/4-Smith numbers.

Terms

a(0) =19899699a(1) =36969999a(2) =36999699a(3) =39699969a(4) =39999399a(5) =39999993a(6) =66699699a(7) =66798798a(8) =67967799a(9) =67987986a(10) =69759897a(11) =69889389a(12) =69966699a(13) =69996993a(14) =76668999a(15) =79488798a(16) =79866798a(17) =85994799a(18) =86686886a(19) =89769759a(20) =89866568