# A008404 (b-file synthesized from sequence entry)
1 1
2 2
3 4
4 12
5 40
6 116
7 200
8 444
9 760
10 2160
11 4368
12 7852
13 12828
14 17252
15 19612
16 21104
17 18276
18 15096
19 10240
20 6464
21 3536
22 2052
23 872
24 200
25 88
26 56
27 204
28 712
29 164