# A255278 (b-file synthesized from sequence entry)
0 1
1 7
2 27
3 113
4 447
5 1743
6 6789
7 26371
8 102399
9 397425
10 1542327
11 5984815
12 23222957
13 90110355
14 349647247
15 1356699401
16 5264252887
17 20426289087
18 79257818197
19 307535089027
20 1193293339871
21 4630199918049
22 17966035966423
23 69711557106543