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A020696 as a simple table

n a(n)
1 2
2 6
3 8
4 30
5 12
6 168
7 16
8 270
9 80
10 396
11 24
12 10920
13 28
14 720
15 768
16 4590
17 36
18 31920
19 40
20 41580
21 1408
22 1656
23 48
24 2457000
25 312
26 2268
27 2240
28 104400
29 60
30 5499648
31 64
32 151470
33 3264
34 3780
35 3456
36 76767600
37 76
38 4680
39 4480
40 15343020
41 84
42 19071360
43 88
44 372600
45 353280
46 6768

[2,6,8,30,12,168,16,270,80,396,24,10920,28,720,
 768,4590,36,31920,40,41580,1408,1656,48,2457000,
 312,2268,2240,104400,60,5499648,64,151470,3264,
 3780,3456,76767600,76,4680,4480,15343020,84,
 19071360,88,372600,353280,6768]

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Last modified April 24 20:08 EDT 2024. Contains 371963 sequences. (Running on oeis4.)