# A364506 (b-file synthesized from sequence entry)
0 1
1 1
2 2
3 1
4 6
5 6
6 1
7 40
8 90
9 20
10 1
11 350
12 5880
13 1680
14 70
15 1
16 3528
17 594594
18 1101100
19 34650
20 252
21 1
22 38808
23 75088728
24 1299170600
25 229265400
26 756756
27 924
28 1
29 453024
30 10861066216
31 2066315135040
32 3164045050530
33 50678855040
34 17153136
35 3432
36 1
37 5521230
38 1721929279200
39 3943172216808000