# A148936 (b-file synthesized from sequence entry)
0 1
1 1
2 3
3 9
4 28
5 102
6 372
7 1392
8 5490
9 21848
10 88322
11 364457
12 1519209
13 6394726
14 27196992
15 116596476
16 503240096
17 2185814374
18 9549807525
19 41930059192
20 184918480762
21 819029864816
22 3641316550806
23 16243317238849
24 72693657655711
25 326286683303623
26 1468439616798464
27 6625361546600399
28 29962992825549341