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A137260 as a simple table

n a(n)
1 0
2 0
3 0
4 1
5 2
6 0
7 5
8 10
9 12
10 0
11 23
12 46
13 66
14 72
15 0
16 119
17 238
18 354
19 456
20 480
21 0
22 719
23 1438
24 2154
25 2856
26 3480
27 3600
28 0
29 5039
30 10078
31 15114
32 20136
33 25080
34 29520
35 30240
36 0
37 40319
38 80638
39 120954
40 161256
41 201480
42 241200
43 277200
44 282240
45 0
46 362879
47 725758
48 1088634
49 1451496
50 1814280
51 2176560
52 2535120
53 2862720
54 2903040
55 0

[0,0,0,1,2,0,5,10,12,0,23,46,66,72,0,119,238,354,
 456,480,0,719,1438,2154,2856,3480,3600,0,5039,
 10078,15114,20136,25080,29520,30240,0,40319,80638,
 120954,161256,201480,241200,277200,282240,0,
 362879,725758,1088634,1451496,1814280,2176560,
 2535120,2862720,2903040,0]

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Last modified March 28 05:39 EDT 2024. Contains 371235 sequences. (Running on oeis4.)