# A089125 (b-file synthesized from sequence entry)
0 1
1 1
2 2
3 3
4 7
5 16
6 51
7 179
8 842
9 4601
10 33229
11 286284
12 3243665
13 44468561
14 800242506
15 17564890003
16 505712818663
17 17842259251624
18 825465630656435
19 46929863536852851
20 3498201665311407586
21 320978728492120944601