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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.

A168379 a(n) = 4*n - 2*(-1)^n + 1.

Table of values

n a(n)
1 7
2 7
3 15
4 15
5 23
6 23
7 31
8 31
9 39
10 39
11 47
12 47
13 55
14 55
15 63
16 63
17 71
18 71
19 79
20 79
21 87
22 87
23 95
24 95
25 103
26 103
27 111
28 111
29 119
30 119
31 127
32 127
33 135
34 135
35 143
36 143
37 151
38 151
39 159
40 159
41 167
42 167
43 175
44 175
45 183
46 183
47 191
48 191
49 199
50 199
51 207
52 207
53 215
54 215
55 223
56 223
57 231
58 231

List of values

[7, 7, 15, 15, 23, 23, 31, 31, 39, 39, 47, 47, 55, 55, 63, 63, 71, 71, 79, 79, 87, 87, 95, 95, 103, 103, 111, 111, 119, 119, 127, 127, 135, 135, 143, 143, 151, 151, 159, 159, 167, 167, 175, 175, 183, 183, 191, 191, 199, 199, 207, 207, 215, 215, 223, 223, 231, 231]

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

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