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A228167 as a simple table

n a(n)
0 1
1 1
2 4
3 16
4 28
5 38
6 28
7 16
8 4
9 1
10 1
11 4
12 36
13 140
14 476
15 1092
16 2044
17 2860
18 3270
19 2860
20 2044
21 1092
22 476
23 140
24 36
25 4
26 1
27 1
28 8
29 84
30 536
31 2770
32 10808
33 34116
34 87144
35 185071
36 328208
37 492392
38 625968
39 678524
40 625968
41 492392
42 328208
43 185071
44 87144
45 34116
46 10808
47 2770
48 536
49 84
50 8
51 1

[1,1,4,16,28,38,28,16,4,1,1,4,36,140,476,1092,
 2044,2860,3270,2860,2044,1092,476,140,36,4,1,1,8,
 84,536,2770,10808,34116,87144,185071,328208,
 492392,625968,678524,625968,492392,328208,185071,
 87144,34116,10808,2770,536,84,8,1]

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Last modified April 10 06:23 EDT 2020. Contains 333392 sequences. (Running on oeis4.)