# A262768 (b-file synthesized from sequence entry)
0 0
1 0
2 4
3 20
4 85
5 344
6 1365
7 5368
8 21021
9 82160
10 320892
11 1253240
12 4896034
13 19137104
14 74847175
15 292929840
16 1147223325
17 4496006880
18 17631691440
19 69189377400
20 271676550390
21 1067383059600
22 4195964793930
23 16503454480656
24 64943823784050
25 255687666536224