# A266960 (b-file synthesized from sequence entry)
1 0
2 1
3 2
4 6
5 13
6 356
7 3126
8 28691
9 70268
10 271396
11 6534495
12 64591632
13 162057126
14 26237436541
15 66438353080
16 7020479040553
17 11201604625686
18 296414282891996
19 32360305554728271
20 339791857819043616
21 871053578019254406
22 5731478440138170841
23 9181907843495831675