# A155314 (b-file synthesized from sequence entry)
4 1
5 7
6 19
7 37
8 88
9 640
10 5031
11 26752
12 151436
13 1596386
14 24274062
15 343210818
16 4865294909
17 96524596845
18 2686621268327
19 85799102830215