# A026908 (b-file synthesized from sequence entry)
0 1
1 44
2 198
3 758
4 2824
5 10530
6 39516
7 149274
8 567120
9 2164898
10 8297206
11 31907214
12 123053938
13 475753142
14 1843357752
15 7155936162
16 27826486272
17 108369397602
18 422614721742
19 1650118887102
20 6450143419962
21 25238550057222