# A116129 (b-file synthesized from sequence entry) 1 11 2 101 3 1001 4 10001 5 100001 6 1000001 7 10000001 8 100000001 9 1000000001 10 10000000001 11 13223140496 12 20661157025 13 29752066116 14 40495867769 15 52892561984 16 66942148761 17 82644628100 18 100000000001 19 1000000000001