# A094601 (b-file synthesized from sequence entry)
0 1
1 1
2 3
3 12
4 50
5 234
6 1125
7 5620
8 28753
9 150106
10 796240
11 4279232
12 23251672
13 127518750
14 704957715
15 3924307492
16 21978740682
17 123758612644
18 700204091361
19 3978636187708
20 22694470914700
21 129904466979030
22 745949776425002