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.

A214226 Sum of the eight nearest neighbors of n in a triangular horizontal-last spiral with positive integers.

Table of values

n a(n)
1 72
2 80
3 60
4 76
5 132
6 100
7 164
8 112
9 136
10 200
11 144
12 128
13 128
14 136
15 156
16 196
17 284
18 220
19 204
20 208
21 324
22 224
23 232
24 248
25 288
26 384
27 296
28 264
29 256
30 264
31 272
32 280
33 288
34 296
35 324
36 380
37 500
38 404
39 372
40 368
41 376
42 384
43 548
44 400
45 408
46 416
47 424
48 448
49 504
50 632
51 512
52 464
53 448

List of values

[72, 80, 60, 76, 132, 100, 164, 112, 136, 200, 144, 128, 128, 136, 156, 196, 284, 220, 204, 208, 324, 224, 232, 248, 288, 384, 296, 264, 256, 264, 272, 280, 288, 296, 324, 380, 500, 404, 372, 368, 376, 384, 548, 400, 408, 416, 424, 448, 504, 632, 512, 464, 448]