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.

A322462 Numbers on the 0-1-12 line in a spiral on a grid of equilateral triangles.

Table of values

n a(n)
0 0
1 1
2 12
3 13
4 36
5 37
6 72
7 73
8 120
9 121
10 180
11 181
12 252
13 253
14 336
15 337
16 432
17 433
18 540
19 541
20 660
21 661
22 792
23 793
24 936
25 937
26 1092
27 1093
28 1260
29 1261
30 1440
31 1441
32 1632
33 1633
34 1836
35 1837
36 2052
37 2053
38 2280
39 2281
40 2520
41 2521
42 2772
43 2773
44 3036
45 3037
46 3312
47 3313
48 3600

List of values

[0, 1, 12, 13, 36, 37, 72, 73, 120, 121, 180, 181, 252, 253, 336, 337, 432, 433, 540, 541, 660, 661, 792, 793, 936, 937, 1092, 1093, 1260, 1261, 1440, 1441, 1632, 1633, 1836, 1837, 2052, 2053, 2280, 2281, 2520, 2521, 2772, 2773, 3036, 3037, 3312, 3313, 3600]