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A221408 as a simple table

n a(n)
1 0
2 2
3 2
4 0
5 6
6 0
7 4
8 16
9 16
10 4
11 0
12 44
13 0
14 44
15 0
16 8
17 120
18 436
19 436
20 120
21 8
22 0
23 328
24 0
25 4518
26 0
27 328
28 0
29 16
30 896
31 12668
32 47156
33 47156
34 12668
35 896
36 16
37 0
38 2448
39 0
40 492102
41 0
42 492102
43 0
44 2448
45 0
46 32
47 6688
48 368268
49 5133044
50 18852560
51 18852560
52 5133044
53 368268
54 6688
55 32

[0,2,2,0,6,0,4,16,16,4,0,44,0,44,0,8,120,436,436,
 120,8,0,328,0,4518,0,328,0,16,896,12668,47156,
 47156,12668,896,16,0,2448,0,492102,0,492102,0,
 2448,0,32,6688,368268,5133044,18852560,18852560,
 5133044,368268,6688,32]

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