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A001690 as a simple table

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

[4,6,7,9,10,11,12,14,15,16,17,18,19,20,22,23,24,
 25,26,27,28,29,30,31,32,33,35,36,37,38,39,40,41,
 42,43,44,45,46,47,48,49,50,51,52,53,54,56,57,58,
 59,60,61,62,63,64,65,66,67,68,69,70,71,72,73,74,
 75,76,77,78]

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Last modified May 26 19:43 EDT 2019. Contains 323597 sequences. (Running on oeis4.)