# A133577 (b-file synthesized from sequence entry)
0 1
1 2
2 12
3 32
4 152
5 472
6 1992
7 6712
8 26632
9 93752
10 360072
11 1297592
12 4898312
13 17874232
14 66857352
15 245599672
16 914173192
17 3370169912
18 12511901832
19 46213600952
20 171332619272
21 633468628792
22 2346794821512
23 8681481109432