# A148373 (b-file synthesized from sequence entry)
0 1
1 1
2 2
3 5
4 16
5 42
6 147
7 456
8 1632
9 5436
10 20292
11 70488
12 269689
13 969337
14 3773909
15 13915965
16 54938959
17 206707162
18 824983630
19 3154624846
20 12707736425
21 49236197889
22 199856276902
23 783059335216
24 3199277833991
25 12653886671347
26 51990768945312
27 207320788847683
28 855980959792228
29 3437646542249170