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A028357 as a simple table

n a(n)
0 1
1 3
2 6
3 10
4 13
5 15
6 16
7 18
8 21
9 25
10 28
11 30
12 31
13 33
14 36
15 40
16 43
17 45
18 46
19 48
20 51
21 55
22 58
23 60
24 61
25 63
26 66
27 70
28 73
29 75
30 76
31 78
32 81
33 85
34 88
35 90
36 91
37 93
38 96
39 100
40 103
41 105
42 106
43 108
44 111
45 115
46 118
47 120
48 121
49 123
50 126

[1,3,6,10,13,15,16,18,21,25,28,30,31,33,36,40,43,
 45,46,48,51,55,58,60,61,63,66,70,73,75,76,78,81,
 85,88,90,91,93,96,100,103,105,106,108,111,115,118,
 120,121,123,126]

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Last modified March 28 07:48 EDT 2024. Contains 371235 sequences. (Running on oeis4.)