# A105482 (b-file synthesized from sequence entry)
6 1
7 6
8 42
9 280
10 1890
11 13104
12 93786
13 694584
14 5328180
15 42336294
16 348272925
17 2963993760
18 26073738236
19 236857536216
20 2219777316216
21 21441389281680
22 213260412549303
23 2182163481418536
24 22951202450444191
25 247914874683742728