# A033141 (b-file synthesized from sequence entry)
1 1
2 5
3 25
4 126
5 630
6 3150
7 15751
8 78755
9 393775
10 1968876
11 9844380
12 49221900
13 246109501
14 1230547505
15 6152737525
16 30763687626
17 153818438130
18 769092190650
19 3845460953251
20 19227304766255
21 96136523831275
22 480682619156376