# A025267 (b-file synthesized from sequence entry)
1 1
2 -1
3 1
4 3
5 4
6 3
7 4
8 19
9 60
10 124
11 214
12 455
13 1266
14 3404
15 7974
16 17699
17 42050
18 107956
19 276534
20 680140
21 1647872
22 4082562
23 10366604
24 26363583
25 66318590
26 166265630
27 420151570
28 1070885100
29 2734066540
30 6964626146
31 17739885228
32 45334834067
33 116258144838