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.

A316320 Coordination sequence for a hexavalent node in a chamfered version of the 3^6 triangular tiling of the plane.

Table of values

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

List of values

[1, 6, 15, 27, 39, 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]

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

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