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A187027 as a simple table

n a(n)
1 1
2 4
3 0
4 9
5 12
6 0
7 16
8 56
9 24
10 0
11 25
12 132
13 296
14 24
15 0
16 36
17 240
18 1008
19 1344
20 0
21 0
22 49
23 380
24 2232
25 7056
26 5120
27 0
28 0
29 64
30 552
31 3936
32 19568
33 45152
34 15760
35 0
36 0
37 81
38 756
39 6120
40 39348
41 161256
42 263000
43 36816
44 0
45 0
46 100
47 992
48 8784
49 66360
50 376248
51 1251720
52 1384152
53 57904

[1,4,0,9,12,0,16,56,24,0,25,132,296,24,0,36,240,
 1008,1344,0,0,49,380,2232,7056,5120,0,0,64,552,
 3936,19568,45152,15760,0,0,81,756,6120,39348,
 161256,263000,36816,0,0,100,992,8784,66360,376248,
 1251720,1384152,57904]

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Last modified October 4 21:22 EDT 2022. Contains 357240 sequences. (Running on oeis4.)