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.

A354958 Coordination sequence for the Manhattan hexagonal lattice with respect to the point (X=0, Y=1).

Table of values

n a(n)
0 1
1 3
2 9
3 15
4 27
5 21
6 45
7 27
8 63
9 33
10 81
11 39
12 99
13 45
14 117
15 51
16 135
17 57
18 153
19 63
20 171
21 69
22 189
23 75
24 207
25 81
26 225
27 87
28 243
29 93
30 261
31 99
32 279
33 105
34 297
35 111
36 315
37 117
38 333
39 123
40 351
41 129
42 369
43 135
44 387
45 141
46 405
47 147
48 423
49 153
50 441
51 159
52 459
53 165
54 477
55 171
56 495

List of values

[1, 3, 9, 15, 27, 21, 45, 27, 63, 33, 81, 39, 99, 45, 117, 51, 135, 57, 153, 63, 171, 69, 189, 75, 207, 81, 225, 87, 243, 93, 261, 99, 279, 105, 297, 111, 315, 117, 333, 123, 351, 129, 369, 135, 387, 141, 405, 147, 423, 153, 441, 159, 459, 165, 477, 171, 495]