# A369691 (b-file synthesized from sequence entry)
0 1
1 3
2 6
3 11
4 24
5 66
6 196
7 576
8 1692
9 5110
10 15933
11 50604
12 161988
13 521700
14 1693362
15 5541679
16 18260055
17 60487659
18 201272437
19 672550158
20 2256204327
21 7596059333
22 25655943417
23 86904524289
24 295154911774
25 1004906765178
26 3429178160346
27 11726499288028
28 40178538608682