# A148800 (b-file synthesized from sequence entry)
0 1
1 1
2 3
3 8
4 25
5 86
6 294
7 1040
8 3833
9 14386
10 54712
11 210824
12 822979
13 3247027
14 12924638
15 51841966
16 209371068
17 851006530
18 3478406410
19 14290345910
20 58982156747
21 244473647740
22 1017286372274
23 4248218090559
24 17800061935502
25 74813151306454
26 315342569996696
27 1332772451282701
28 5647021916205779