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A064661 as a simple table

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

[-1,0,0,1,1,1,1,2,2,2,2,2,2,3,3,3,3,4,4,4,4,4,5,5,
 4,5,5,6,6,7,5,6,6,6,6,6,6,7,7,7,7,8,7,8,8,9,8,7,8,
 8,9,9,10,9,9,9,9,10,10,11,11,11,10,10,11,11,10,11,
 10,11,11,11,11,12,12,12,12,12,13,12,12]

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Last modified August 16 21:21 EDT 2024. Contains 375191 sequences. (Running on oeis4.)