# A094578 (b-file synthesized from sequence entry)
0 0
1 0
2 1
3 4
4 19
5 76
6 316
7 1264
8 5101
9 20404
10 81796
11 327184
12 1309444
13 5237776
14 20953936
15 83815744
16 335274259
17 1341097036
18 5364433276
19 21457733104
20 85831112764
21 343324451056
22 1373298525616
23 5493194102464
24 21972779294716