# A030859 (b-file synthesized from sequence entry)
1 1
2 2
3 6
4 25
5 126
6 756
7 5298
8 42387
9 381485
10 3814852
11 41963378
12 503560537
13 6546286983
14 91648017770
15 1374720266550
16 21995524264802
17 373923912501650
18 6730630425029702
19 127881978075564346
20 2557639561511286935