# A217138 (b-file synthesized from sequence entry)
0 1
1 1
2 2
3 7
4 22
5 94
6 340
7 1579
8 6118
9 29746
10 120060
11 600934
12 2492028
13 12725756
14 53798888
15 278786739
16 1195684230
17 6265816042
18 27175425004
19 143671870034
20 628705751828
21 3347680236132
22 14756641134872
23 79039468217086
24 350529497005532
25 1886818634445044
26 8410852483002200