# A068218 (b-file synthesized from sequence entry)
0 1
1 2
2 2
3 2
4 16
5 2
6 4
7 84
8 84
9 4
10 10
11 400
12 1056
13 400
14 10
15 28
16 1820
17 9184
18 9184
19 1820
20 28
21 84
22 8064
23 66276
24 126720
25 66276
26 8064
27 84
28 264
29 35112
30 426888
31 1329768
32 1329768
33 426888
34 35112
35 264
36 858
37 151008
38 2546544
39 11737440
40 19123776
41 11737440