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A169768 as a simple table

n a(n)
4 0
5 0
6 0
7 0
8 0
9 0
10 4
11 0
12 0
13 0
14 24
15 0
16 24
17 0
18 276
19 0
20 176
21 0
22 2604
23 0
24 1876
25 0
26 25736
27 0
28 17384
29 0
30 248816
31 0
32 173064
33 0
34 2424608
35 0
36 1668712
37 0
38 23581056
39 0
40 16317480
41 0
42 229513584
43 0
44 158435296
45 0
46 2233386048
47 0
48 1543447264
49 0
50 21733496960

[0,0,0,0,0,0,4,0,0,0,24,0,24,0,276,0,176,0,2604,0,
 1876,0,25736,0,17384,0,248816,0,173064,0,2424608,
 0,1668712,0,23581056,0,16317480,0,229513584,0,
 158435296,0,2233386048,0,1543447264,0,21733496960]

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Last modified April 18 18:58 EDT 2024. Contains 371781 sequences. (Running on oeis4.)