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A156789 as a simple table

n a(n)
0 1
1 1
2 4
3 6
4 1
5 8
6 36
7 80
8 70
9 1
10 12
11 90
12 400
13 1050
14 1512
15 924
16 1
17 16
18 168
19 1120
20 4900
21 14112
22 25872
23 27456
24 12870
25 1
26 20
27 270
28 2400
29 14700
30 63504
31 194040
32 411840
33 579150
34 486200
35 184756
36 1
37 24
38 396
39 4400
40 34650
41 199584
42 853776
43 2718144
44 6370650
45 10696400
46 12193896
47 8465184
48 2704156

[1,1,4,6,1,8,36,80,70,1,12,90,400,1050,1512,924,1,
 16,168,1120,4900,14112,25872,27456,12870,1,20,270,
 2400,14700,63504,194040,411840,579150,486200,
 184756,1,24,396,4400,34650,199584,853776,2718144,
 6370650,10696400,12193896,8465184,2704156]

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Last modified July 29 03:05 EDT 2024. Contains 374727 sequences. (Running on oeis4.)