# A323875 (b-file synthesized from sequence entry)
1 0
2 1
3 3
4 19
5 230
6 5098
7 207536
8 15891372
9 2343580752
10 675458276144
11 383306076989440
12 430041136692146912
13 956431386434331323776
14 4224539434553753578497024
15 37106501188130085159785113344
16 648740172906485727983524271405824
17 22591360806791558877526051411343415296
18 1567817808096346724727108606144936617617408