# A291292 (b-file synthesized from sequence entry)
0 1
1 1
2 1
3 3
4 10
5 34
6 116
7 396
8 1353
9 4631
10 15895
11 54757
12 189465
13 658835
14 2303381
15 8098783
16 28642314
17 101894922
18 364614216
19 1312191768
20 4748561094
21 17275277322
22 63163858146
23 232041604038
24 856219298484
25 3172442815476
26 11799466553232
27 44041859928944
28 164924424558532
29 619454123593948