# A177137 (b-file synthesized from sequence entry)
4 1901
5 19001
6 198901
7 1909081
8 19986091
9 199800091
10 1999880101
11 19999919011
12 199999069901
13 1999998661891
14 19999999196861
15 199999990066801
16 1999999999899101
17 19999999999898161
18 199999999998806191
19 1999999999999988911
20 19999999999998191191
21 199999999999986661691