# A148522 (b-file synthesized from sequence entry)
0 1
1 1
2 3
3 5
4 17
5 40
6 139
7 365
8 1321
9 3796
10 13865
11 41676
12 155184
13 487528
14 1823899
15 5870889
16 22212061
17 73415388
18 278531017
19 934712928
20 3572512184
21 12202646184
22 46722602013
23 161264038912
24 620704085796
25 2169656200496
26 8361338551912
27 29449934951492
28 113937676300992
29 405143448826160
30 1568854152864327