# A048374 (b-file synthesized from sequence entry) 1 9 2 31 3 99 4 998 5 999 6 7937 7 9999 8 99998 9 99999 10 996999 11 999999 12 6688699 13 9999999 14 97609999 15 99969999 16 999999998 17 999899999 18 9998999999 19 9999999999 20 9999699999 21 99999989999 22 99998999999 23 997999998999