# A264761 (b-file synthesized from sequence entry)
1 0
2 0
3 1
4 1
5 2
6 6
7 17
8 73
9 290
10 1274
11 5844
12 27750
13 135192
14 676263
15 3437509
16 17811771
17 93531354
18 497835030
19 2680058068
20 14577839412
21 80039070868
22 443164758244
23 2472713506356