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A047220 as a simple table

n a(n)
1 0
2 1
3 3
4 5
5 6
6 8
7 10
8 11
9 13
10 15
11 16
12 18
13 20
14 21
15 23
16 25
17 26
18 28
19 30
20 31
21 33
22 35
23 36
24 38
25 40
26 41
27 43
28 45
29 46
30 48
31 50
32 51
33 53
34 55
35 56
36 58
37 60
38 61
39 63
40 65
41 66
42 68
43 70
44 71
45 73
46 75
47 76
48 78
49 80
50 81
51 83
52 85
53 86
54 88
55 90
56 91
57 93
58 95
59 96
60 98
61 100
62 101
63 103
64 105
65 106

[0,1,3,5,6,8,10,11,13,15,16,18,20,21,23,25,26,28,
 30,31,33,35,36,38,40,41,43,45,46,48,50,51,53,55,
 56,58,60,61,63,65,66,68,70,71,73,75,76,78,80,81,
 83,85,86,88,90,91,93,95,96,98,100,101,103,105,106]

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Last modified April 19 02:28 EDT 2024. Contains 371782 sequences. (Running on oeis4.)