cp's OEIS Frontend

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.

A026476 For n>3, a(n) = 7*n - 21 + 2*(-1)^n.

Table of values

n a(n)
1 1
2 3
3 4
4 9
5 12
6 23
7 26
8 37
9 40
10 51
11 54
12 65
13 68
14 79
15 82
16 93
17 96
18 107
19 110
20 121
21 124
22 135
23 138
24 149
25 152
26 163
27 166
28 177
29 180
30 191
31 194
32 205
33 208
34 219
35 222
36 233
37 236
38 247
39 250
40 261
41 264
42 275
43 278
44 289
45 292
46 303
47 306
48 317
49 320
50 331
51 334
52 345
53 348
54 359
55 362
56 373
57 376

List of values

[1, 3, 4, 9, 12, 23, 26, 37, 40, 51, 54, 65, 68, 79, 82, 93, 96, 107, 110, 121, 124, 135, 138, 149, 152, 163, 166, 177, 180, 191, 194, 205, 208, 219, 222, 233, 236, 247, 250, 261, 264, 275, 278, 289, 292, 303, 306, 317, 320, 331, 334, 345, 348, 359, 362, 373, 376]

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

Content is available under The OEIS End-User License Agreement.