# A148955 (b-file synthesized from sequence entry)
0 1
1 1
2 3
3 9
4 30
5 104
6 374
7 1372
8 5121
9 19350
10 73820
11 283726
12 1097104
13 4262915
14 16630036
15 65090232
16 255470039
17 1005021759
18 3961596740
19 15642290396
20 61853211838
21 244889529931
22 970627733761
23 3850784072750
24 15290025210880
25 60755565168300
26 241571260582169
27 961066546034625
28 3825451487035020