# A150209 (b-file synthesized from sequence entry)
0 1
1 2
2 6
3 21
4 81
5 321
6 1305
7 5448
8 23177
9 99896
10 435039
11 1911767
12 8466540
13 37735029
14 169098694
15 761375279
16 3442420307
17 15621467912
18 71120379994
19 324737224019
20 1486652981107
21 6822074471704
22 31373203035946
23 144562584754933
24 667323192228423
25 3085581499995113
26 14289031592152473
27 66265027892766454