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.

A051682 11-gonal (or hendecagonal) numbers: a(n) = n*(9*n-7)/2.

Table of values

n a(n)
0 0
1 1
2 11
3 30
4 58
5 95
6 141
7 196
8 260
9 333
10 415
11 506
12 606
13 715
14 833
15 960
16 1096
17 1241
18 1395
19 1558
20 1730
21 1911
22 2101
23 2300
24 2508
25 2725
26 2951
27 3186
28 3430
29 3683
30 3945
31 4216
32 4496
33 4785
34 5083
35 5390
36 5706
37 6031
38 6365
39 6708
40 7060
41 7421
42 7791
43 8170

List of values

[0, 1, 11, 30, 58, 95, 141, 196, 260, 333, 415, 506, 606, 715, 833, 960, 1096, 1241, 1395, 1558, 1730, 1911, 2101, 2300, 2508, 2725, 2951, 3186, 3430, 3683, 3945, 4216, 4496, 4785, 5083, 5390, 5706, 6031, 6365, 6708, 7060, 7421, 7791, 8170]

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

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