# A218677 (b-file synthesized from sequence entry)
0 1
1 1
2 3
3 14
4 79
5 516
6 3802
7 30668
8 268815
9 2522594
10 25201736
11 266014607
12 2953171684
13 34326755191
14 416313253084
15 5251970372080
16 68737673434847
17 931207966502919
18 13031639620371226
19 188051624603419973
20 2793741995189126920
21 42668132798523737471
22 669061042470049870917