# A373753 (b-file synthesized from sequence entry)
0 0
1 0
2 0
3 1
4 3
5 8
6 28
7 136
8 715
9 3968
10 24928
11 176896
12 1358611
13 11184128
14 99463620
15 951878656
16 9704336283
17 104932671488
18 1202007133768
19 14544442556416
20 185212683647587
21 2475749026562048
22 34672375957634412
23 507711943253426176
24 7757454418668014443
25 123460740095103991808