# A087809 (b-file synthesized from sequence entry)
0 1
1 4
2 29
3 229
4 1847
5 14974
6 121430
7 983476
8 7952111
9 64193728
10 517447289
11 4165721377
12 33500374796
13 269166095800
14 2161064409680
15 17339917293304
16 139060729285871
17 1114752741216196
18 8933074352513183
19 71564554425680839