# A036727 (b-file synthesized from sequence entry)
0 1
1 1
2 1
3 3
4 9
5 30
6 107
7 392
8 1489
9 5783
10 22874
11 91822
12 373111
13 1531744
14 6343528
15 26469872
16 111180537
17 469696489
18 1994490659
19 8508116485
20 36443396006
21 156680537096
22 675885192670
23 2924577632532
24 12690327612739
25 55208106904873