# A118979 (b-file synthesized from sequence entry)
3 12
4 72
5 300
6 1080
7 3612
8 11592
9 36300
10 111960
11 342012
12 1038312
13 3139500
14 9467640
15 28501212
16 85700232
17 257493900
18 773268120
19 2321377212
20 6967277352
21 20908123500
22 62736953400
23 188236026012
24 564758409672
25 1694375892300