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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.

A035336 a(n) = 2*floor(n*phi) + n - 1, where phi = (1+sqrt(5))/2.

Table of values

n a(n)
1 2
2 7
3 10
4 15
5 20
6 23
7 28
8 31
9 36
10 41
11 44
12 49
13 54
14 57
15 62
16 65
17 70
18 75
19 78
20 83
21 86
22 91
23 96
24 99
25 104
26 109
27 112
28 117
29 120
30 125
31 130
32 133
33 138
34 143
35 146
36 151
37 154
38 159
39 164
40 167
41 172
42 175
43 180
44 185
45 188
46 193
47 198
48 201
49 206
50 209
51 214
52 219
53 222
54 227
55 230
56 235
57 240

List of values

[2, 7, 10, 15, 20, 23, 28, 31, 36, 41, 44, 49, 54, 57, 62, 65, 70, 75, 78, 83, 86, 91, 96, 99, 104, 109, 112, 117, 120, 125, 130, 133, 138, 143, 146, 151, 154, 159, 164, 167, 172, 175, 180, 185, 188, 193, 198, 201, 206, 209, 214, 219, 222, 227, 230, 235, 240]

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

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