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A197218 as a simple table

n a(n)
0 1
1 1
2 2
3 2
4 6
5 10
6 6
7 28
8 46
9 36
10 80
11 198
12 132
13 520
14 560
15 600
16 2206
17 3570
18 1908
19 9348
20 12960
21 11760
22 25704
23 63480
24 50692
25 150000
26 180960
27 208008
28 609084
29 1130304
30 604800
31 3010348
32 4865280
33 3920400
34 8374344
35 17836000
36 13685760
37 54018520
38 58269200
39 69600960

[1,1,2,2,6,10,6,28,46,36,80,198,132,520,560,600,
 2206,3570,1908,9348,12960,11760,25704,63480,50692,
 150000,180960,208008,609084,1130304,604800,
 3010348,4865280,3920400,8374344,17836000,13685760,
 54018520,58269200,69600960]

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Last modified January 23 13:34 EST 2020. Contains 331171 sequences. (Running on oeis4.)