# A065924 (b-file synthesized from sequence entry) 1 1 2 3 3 10 4 100 5 316 6 1000 7 3162 8 10000 9 100000 10 1000000 11 10000000 12 100000000 13 316227766 14 1000000000 15 3162277660 16 10000000000 17 100000000000 18 1000000000000 19 3162277660168 20 10000000000000 21 100000000000000