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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.

A341249 a(n) = floor(r*floor(s*n)), where r = 2 + sqrt(2) and s = sqrt(2).

Table of values

n a(n)
1 3
2 6
3 13
4 17
5 23
6 27
7 30
8 37
9 40
10 47
11 51
12 54
13 61
14 64
15 71
16 75
17 81
18 85
19 88
20 95
21 99
22 105
23 109
24 112
25 119
26 122
27 129
28 133
29 139
30 143
31 146
32 153
33 157
34 163
35 167
36 170
37 177
38 180
39 187
40 191
41 194
42 201
43 204
44 211
45 215
46 221
47 225
48 228
49 235
50 238
51 245
52 249
53 252
54 259
55 262
56 269

List of values

[3, 6, 13, 17, 23, 27, 30, 37, 40, 47, 51, 54, 61, 64, 71, 75, 81, 85, 88, 95, 99, 105, 109, 112, 119, 122, 129, 133, 139, 143, 146, 153, 157, 163, 167, 170, 177, 180, 187, 191, 194, 201, 204, 211, 215, 221, 225, 228, 235, 238, 245, 249, 252, 259, 262, 269]

Started in 1964 by Neil J. A. Sloane | Maintained by The OEIS Foundation Inc.

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