# A059938 (b-file synthesized from sequence entry)
0 0
1 4
2 31
3 141
4 506
5 1590
6 4593
7 12523
8 32740
9 82908
10 204755
11 495561
12 1179582
13 2768818
14 6422437
15 14745495
16 33554312
17 75759480
18 169869159
19 378535765
20 838860610
21 1849687854
22 4060086041
23 8875147011
24 19327352556
25 41943039700