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.

A100179 Structured heptagonal diamond numbers (vertex structure 5).

Table of values

n a(n)
1 1
2 9
3 34
4 86
5 175
6 311
7 504
8 764
9 1101
10 1525
11 2046
12 2674
13 3419
14 4291
15 5300
16 6456
17 7769
18 9249
19 10906
20 12750
21 14791
22 17039
23 19504
24 22196
25 25125
26 28301
27 31734
28 35434
29 39411
30 43675
31 48236
32 53104

List of values

[1, 9, 34, 86, 175, 311, 504, 764, 1101, 1525, 2046, 2674, 3419, 4291, 5300, 6456, 7769, 9249, 10906, 12750, 14791, 17039, 19504, 22196, 25125, 28301, 31734, 35434, 39411, 43675, 48236, 53104]