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A118283
as a simple table
n
a(n)
3
0
4
-1
5
0
6
0
7
4
8
-1
9
26
10
45
11
94
12
-1
13
196
14
-1
15
370
16
-1
17
641
18
743
19
999
20
-1
21
1537
22
1429
23
2619
[0,-1,0,0,4,-1,26,45,94,-1,196,-1,370,-1,641,743, 999,-1,1537,1429,2619]
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Last modified April 25 01:35 EDT 2024. Contains 371964 sequences. (Running on oeis4.)