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This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.

A379411 a(n) = n + floor(n*s/r) + floor(n*t/r), where r = e^(1/4), s = e^(1/2), t = e^(3/4).

Table of values

n a(n)
1 3
2 7
3 10
4 15
5 19
6 22
7 26
8 31
9 34
10 38
11 43
12 46
13 50
14 54
15 58
16 62
17 66
18 70
19 74
20 77
21 81
22 86
23 89
24 93
25 98
26 101
27 105
28 109
29 113
30 117
31 121
32 125
33 129
34 133
35 136
36 141
37 145
38 148
39 153
40 156
41 160
42 164
43 168
44 172
45 176
46 180
47 184
48 188
49 191
50 196
51 200
52 203
53 208
54 212
55 215
56 219
57 223

List of values

[3, 7, 10, 15, 19, 22, 26, 31, 34, 38, 43, 46, 50, 54, 58, 62, 66, 70, 74, 77, 81, 86, 89, 93, 98, 101, 105, 109, 113, 117, 121, 125, 129, 133, 136, 141, 145, 148, 153, 156, 160, 164, 168, 172, 176, 180, 184, 188, 191, 196, 200, 203, 208, 212, 215, 219, 223]