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.

A316319 Coordination sequence for a trivalent node in a chamfered version of the 3^6 triangular tiling of the plane.

Table of values

n a(n)
0 1
1 3
2 7
3 14
4 25
5 38
6 51
7 63
8 75
9 87
10 99
11 111
12 123
13 135
14 147
15 159
16 171
17 183
18 195
19 207
20 219
21 231
22 243
23 255
24 267
25 279
26 291
27 303
28 315
29 327
30 339
31 351
32 363
33 375
34 387
35 399
36 411
37 423
38 435
39 447
40 459
41 471
42 483
43 495
44 507
45 519
46 531
47 543
48 555
49 567
50 579
51 591
52 603
53 615
54 627
55 639

List of values

[1, 3, 7, 14, 25, 38, 51, 63, 75, 87, 99, 111, 123, 135, 147, 159, 171, 183, 195, 207, 219, 231, 243, 255, 267, 279, 291, 303, 315, 327, 339, 351, 363, 375, 387, 399, 411, 423, 435, 447, 459, 471, 483, 495, 507, 519, 531, 543, 555, 567, 579, 591, 603, 615, 627, 639]