# A321390 (b-file synthesized from sequence entry)
0 1
1 1
2 1
3 7
4 24
5 88
6 265
7 907
8 2929
9 9918
10 33931
11 119366
12 428314
13 1574221
14 5913415
15 22699536
16 88994103
17 356058537
18 1453049451
19 6044132791
20 25612496016
21 110503624870
22 485160989937
23 2166488899639
24 9835208617114
25 45370059225048