# A215789 (b-file synthesized from sequence entry)
1 1
2 1
3 1
4 2
5 5
6 12
7 42
8 110
9 462
10 1274
11 6006
12 17136
13 87516
14 255816
15 1385670
16 4124406
17 23371634
18 70549050
19 414315330
20 1264752060
21 7646001090
22 23555382240
23 145862174640
24 452806924752
25 2861142656400
26 8939481277552
27 57468093927120