# A162558 (b-file synthesized from sequence entry)
0 1
1 6
2 38
3 248
4 1644
5 10984
6 73672
7 495072
8 3329936
9 22407776
10 150819168
11 1015220608
12 6834184384
13 46006990464
14 309717848192
15 2085024691712
16 14036454256896
17 94493999351296
18 636137999861248
19 4282512012883968