# A210988 (b-file synthesized from sequence entry)
1 1
2 7
3 60
4 704
5 9189
6 126759
7 1802312
8 26152418
9 385221143
10 5741256764
11 86383382827
12 1309998125640
13 19998172734786
14 307022182222506
15 4736694001644862
16 73390033697855860
17 1141388483146794007
18 17810678207278478530