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A028781 as a simple table

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

[2,3,5,6,7,10,11,12,14,15,18,19,20,22,23,24,26,27,
 28,29,30,31,34,35,37,38,39,40,41,42,43,44,45,46,
 47,48,50,51,54,55,56,57,58,59,61,62,63,65,66,67]

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Last modified September 19 16:34 EDT 2024. Contains 376014 sequences. (Running on oeis4.)