# A148804 (b-file synthesized from sequence entry)
0 1
1 1
2 3
3 8
4 26
5 83
6 286
7 981
8 3493
9 12469
10 45525
11 166624
12 618123
13 2300128
14 8638210
15 32528611
16 123266486
17 468285464
18 1787276670
19 6836101525
20 26237809440
21 100895198047
22 389029486532
23 1502466389904
24 5814999975045
25 22537930750295
26 87503846935743
27 340155623048742
28 1324169995953546
29 5160356768069861