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A222866 as a simple table

n a(n)
1 1
2 1
3 2
4 1
5 12
6 6
7 1
8 86
9 84
10 24
11 1
12 840
13 1110
14 480
15 120
16 1
17 11642
18 16620
19 9120
20 3240
21 720
22 1
23 227892
24 300846
25 185640
26 82320
27 25200
28 5040
29 1
30 6285806
31 6810804
32 4299624
33 2142000
34 816480
35 221760
36 40320
37 1
38 243593040
39 199239270
40 117205200
41 60890760
42 26157600

[1,1,2,1,12,6,1,86,84,24,1,840,1110,480,120,1,
 11642,16620,9120,3240,720,1,227892,300846,185640,
 82320,25200,5040,1,6285806,6810804,4299624,
 2142000,816480,221760,40320,1,243593040,199239270,
 117205200,60890760,26157600]

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Last modified April 12 10:51 EDT 2024. Contains 371632 sequences. (Running on oeis4.)