# A367450 (b-file synthesized from sequence entry)
0 1
1 0
2 1
3 0
4 1
5 4
6 12
7 55
8 198
9 979
10 4700
11 22288
12 131612
13 754614
14 4833776
15 32539094
16 225628769
17 1675660796
18 12676652631
19 100996809180
20 830086817650
21 7065404491242