# A363809 (b-file synthesized from sequence entry)
0 1
1 1
2 2
3 6
4 22
5 89
6 378
7 1647
8 7286
9 32574
10 146866
11 667088
12 3050619
13 14039075
14 64992280
15 302546718
16 1415691181
17 6656285609
18 31436228056
19 149079962872
20 709680131574
21 3390269807364
22 16248661836019
23 78109838535141
24 376531187219762
25 1819760165454501