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.

A303305 Generalized 17-gonal (or heptadecagonal) numbers: m*(15*m - 13)/2 with m = 0, +1, -1, +2, -2, +3, -3, ...

Table of values

n a(n)
0 0
1 1
2 14
3 17
4 43
5 48
6 87
7 94
8 146
9 155
10 220
11 231
12 309
13 322
14 413
15 428
16 532
17 549
18 666
19 685
20 815
21 836
22 979
23 1002
24 1158
25 1183
26 1352
27 1379
28 1561
29 1590
30 1785
31 1816
32 2024
33 2057
34 2278
35 2313
36 2547
37 2584
38 2831
39 2870
40 3130
41 3171
42 3444
43 3487
44 3773
45 3818
46 4117
47 4164
48 4476
49 4525
50 4850

List of values

[0, 1, 14, 17, 43, 48, 87, 94, 146, 155, 220, 231, 309, 322, 413, 428, 532, 549, 666, 685, 815, 836, 979, 1002, 1158, 1183, 1352, 1379, 1561, 1590, 1785, 1816, 2024, 2057, 2278, 2313, 2547, 2584, 2831, 2870, 3130, 3171, 3444, 3487, 3773, 3818, 4117, 4164, 4476, 4525, 4850]