# A365693 (b-file synthesized from sequence entry)
0 1
1 1
2 1
3 2
4 8
5 30
6 103
7 368
8 1407
9 5531
10 21905
11 87689
12 355929
13 1461022
14 6046160
15 25194331
16 105661615
17 445692621
18 1889454880
19 8045796200
20 34398989998
21 147606568810
22 635481458969
23 2744158752772
24 11882687400375
25 51584960268914
26 224465280616995
27 978851595046223