# A256331 (b-file synthesized from sequence entry)
1 1
2 3
3 14
4 81
5 527
6 3684
7 27022
8 205149
9 1598303
10 12705939
11 102653652
12 840419676
13 6956988612
14 58132229976
15 489673597926
16 4153635860373
17 35449185841679
18 304179698619129
19 2622657870000646
20 22710277017073785
21 197418128701387895