# A026291 (b-file synthesized from sequence entry)
2 2
3 14
4 79
5 446
6 2530
7 14442
8 82913
9 478384
10 2771900
11 16119808
12 94038087
13 550083340
14 3225409094
15 18951732050
16 111562247565
17 657813211278
18 3884461464740
19 22968812720476
20 135978792939818