# A205802 (b-file synthesized from sequence entry)
0 1
1 1
2 2
3 6
4 23
5 110
6 630
7 4200
8 31990
9 274051
10 2608220
11 27304530
12 311820630
13 3857738170
14 51397726380
15 733698365400
16 11171708347799
17 180738402744866
18 3096027531044102
19 55980949167688884
20 1065496642477438890
21 21293801805033731190
22 445818117237227995260