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A295290 as a simple table

n a(n)
0 0
1 1
2 3
3 3
4 -1
5 6
6 6
7 -1
8 -1
9 10
10 10
11 15
12 21
13 -1
14 15
15 15
16 -1
17 21
18 -1
19 28
20 21
21 21
22 -1
23 -1
24 28
25 -1
26 -1
27 28
28 28
29 45
30 55
31 -1
32 36
33 -1
34 -1
35 36
36 36
37 -1
38 -1
39 55
40 -1
41 45
42 78
43 -1
44 45
45 45
46 55
47 -1
48 -1
49 -1
50 66
51 55
52 -1
53 78
54 55
55 55
56 105
57 66
58 -1
59 -1
60 -1
61 -1
62 66
63 -1
64 -1
65 66

[0,1,3,3,-1,6,6,-1,-1,10,10,15,21,-1,15,15,-1,21,
 -1,28,21,21,-1,-1,28,-1,-1,28,28,45,55,-1,36,-1,
 -1,36,36,-1,-1,55,-1,45,78,-1,45,45,55,-1,-1,-1,
 66,55,-1,78,55,55,105,66,-1,-1,-1,-1,66,-1,-1,66]

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Last modified March 29 02:23 EDT 2024. Contains 371264 sequences. (Running on oeis4.)