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.

A277082 Generalized 15-gonal (or pentadecagonal) numbers: n*(13*n - 11)/2, n = 0,+1,-1,+2,-2,+3,-3, ...

Table of values

n a(n)
0 0
1 1
2 12
3 15
4 37
5 42
6 75
7 82
8 126
9 135
10 190
11 201
12 267
13 280
14 357
15 372
16 460
17 477
18 576
19 595
20 705
21 726
22 847
23 870
24 1002
25 1027
26 1170
27 1197
28 1351
29 1380
30 1545
31 1576
32 1752
33 1785
34 1972
35 2007
36 2205
37 2242
38 2451
39 2490
40 2710
41 2751
42 2982
43 3025
44 3267
45 3312
46 3565
47 3612
48 3876
49 3925
50 4200
51 4251
52 4537
53 4590
54 4887
55 4942

List of values

[0, 1, 12, 15, 37, 42, 75, 82, 126, 135, 190, 201, 267, 280, 357, 372, 460, 477, 576, 595, 705, 726, 847, 870, 1002, 1027, 1170, 1197, 1351, 1380, 1545, 1576, 1752, 1785, 1972, 2007, 2205, 2242, 2451, 2490, 2710, 2751, 2982, 3025, 3267, 3312, 3565, 3612, 3876, 3925, 4200, 4251, 4537, 4590, 4887, 4942]