# A089127 (b-file synthesized from sequence entry)
0 1
1 1
2 1
3 2
4 4
5 14
6 62
7 422
8 4182
9 63228
10 1469976
11 53456724
12 3070947684
13 281012112132
14 41181274957380
15 9701178631343304
16 3682464921740427408
17 2255878665570796559928
18 2232433139398395667219512