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A007448 as a simple table

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

[1,3,3,4,7,7,7,9,9,10,13,13,13,15,15,19,19,19,19,
 21,21,22,27,27,27,27,27,28,31,31,31,39,39,39,39,
 39,39,39,39,40,43,43,43,45,45,46,55,55,55,55,55,
 55,55,55,55,57,57,58,63,63,63,63,63,64,67,67,67,
 79,79,79,79]

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Last modified April 25 07:07 EDT 2024. Contains 371964 sequences. (Running on oeis4.)