# A155352 (b-file synthesized from sequence entry)
4 1
5 7
6 19
7 37
8 61
9 275
10 2315
11 14549
12 65253
13 367867
14 3643355
15 50258373
16 656861493
17 8054133067
18 125882858619
19 2726987375461
20 73216488029301
21 2108368359421323
22 66596647574072923