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A124608 as a simple table

n a(n)
0 -1
1 -1
2 19
3 8
4 -1
5 15
6 6
7 45
8 2
9 -1
10 13
11 17
12 18
13 15
14 9
15 2
16 -1
17 20
18 9
19 4
20 20
21 3
22 11
23 5
24 2
25 -1
26 15
27 17
28 15
29 3
30 26
31 11
32 5
33 13
34 2
35 9
36 -1
37 3
38 13
39 10
40 16
41 14
42 3
43 7
44 9
45 4
46 3
47 2
48 4
49 -1
50 8
51 7
52 16
53 3
54 4
55 7
56 3
57 5
58 11
59 3
60 14
61 2
62 2
63 23
64 1
65 1
66 1
67 1
68 1
69 1
70 1
71 1
72 1
73 1
74 1
75 1
76 1
77 1
78 1
79 1
80 1
81 -1
82 6
83 16
84 9
85 14
86 7
87 12
88 3
89 6
90 3
91 26
92 18
93 36
94 11
95 11
96 7
97 2
98 2
99 5
100 -1

[-1,-1,19,8,-1,15,6,45,2,-1,13,17,18,15,9,2,-1,20,
 9,4,20,3,11,5,2,-1,15,17,15,3,26,11,5,13,2,9,-1,3,
 13,10,16,14,3,7,9,4,3,2,4,-1,8,7,16,3,4,7,3,5,11,
 3,14,2,2,23,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,-1,
 6,16,9,14,7,12,3,6,3,26,18,36,11,11,7,2,2,5,-1]

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Last modified June 18 23:03 EDT 2021. Contains 345125 sequences. (Running on oeis4.)