# A215871 (b-file synthesized from sequence entry)
1 1
2 1
3 1
4 2
5 4
6 12
7 29
8 110
9 290
10 1274
11 3532
12 17136
13 49100
14 255816
15 750325
16 4124406
17 12310294
18 70549050
19 213446666
20 1264752060
21 3868253164
22 23555382240
23 72686739116
24 452806924752