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.

A164001 Spiral of triangles around a hexagon.

Table of values

n a(n)
1 1
2 2
3 3
4 4
5 5
6 7
7 9
8 12
9 16
10 21
11 28
12 37
13 49
14 65
15 86
16 114
17 151
18 200
19 265
20 351
21 465
22 616
23 816
24 1081
25 1432
26 1897
27 2513
28 3329
29 4410
30 5842
31 7739
32 10252
33 13581
34 17991
35 23833
36 31572
37 41824
38 55405
39 73396
40 97229
41 128801
42 170625
43 226030
44 299426

List of values

[1, 2, 3, 4, 5, 7, 9, 12, 16, 21, 28, 37, 49, 65, 86, 114, 151, 200, 265, 351, 465, 616, 816, 1081, 1432, 1897, 2513, 3329, 4410, 5842, 7739, 10252, 13581, 17991, 23833, 31572, 41824, 55405, 73396, 97229, 128801, 170625, 226030, 299426]

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

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