# A307323 (b-file synthesized from sequence entry)
0 1
1 1
2 4
3 18
4 74
5 303
6 1206
7 4741
8 18466
9 71463
10 274879
11 1051509
12 4001727
13 15157935
14 57170668
15 214787989
16 804049797
17 2999846236
18 11156943967
19 41370989836
20 152973793900
21 564117250793
22 2074959664189
23 7613615954760
24 27871659379578
25 101805487967357
26 371072295698710