# A297478 (b-file synthesized from sequence entry)
3 11
4 33
5 102
6 344
7 1241
8 4719
9 18785
10 77917
11 335502
12 1495094
13 6877587
14 32587137
15 158736257
16 793609535
17 4066342542
18 21325689560