# A157396 (b-file synthesized from sequence entry)
1 1
2 1
3 6
4 1
5 18
6 66
7 1
8 144
9 264
10 1056
11 1
12 600
13 4620
14 5280
15 22176
16 1
17 4950
18 68640
19 110880
20 133056
21 576576
22 1
23 26586
24 639870
25 3141600
26 3259872
27 4036032
28 17873856
29 1
30 234528
31 10759056
32 69263040
33 105557760
34 113008896
35 142990848