# A069005 (b-file synthesized from sequence entry)
1 1
2 7
3 19
4 56
5 160
6 462
7 1329
8 3828
9 11021
10 31735
11 91376
12 263108
13 757588
14 2181389
15 6281058
16 18085587
17 52075371
18 149945056
19 431749580
20 1243173370
21 3579575053
22 10306975580
23 29677753369
24 85453685055
25 246054079584
26 708484485384