# A148792 (b-file synthesized from sequence entry)
0 1
1 1
2 3
3 8
4 25
5 77
6 258
7 859
8 2951
9 10083
10 35463
11 124321
12 440777
13 1564412
14 5613436
15 20126465
16 72600868
17 262274477
18 952091511
19 3458207202
20 12605564464
21 46002034866
22 168328851812
23 616532841066
24 2262999692234
25 8314445493372
26 30601371089696
27 112732187972575
28 415875293473076
29 1535492331618463