# A330645 (b-file synthesized from sequence entry)
0 0
1 0
2 2
3 2
4 8
5 20
6 60
7 212
8 632
9 2508
10 8280
11 34256
12 127712
13 542984
14 2252432
15 9873216
16 44557424
17 202661012
18 975470880
19 4627469192
20 23413518704
21 116147688600
22 611882489152
23 3174544514192
24 17312022302368
25 93772475206800
26 527582381206400
27 2975078868145952