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.

A333113 The number of vertices inside a heptagon formed by the straight line segments mutually connecting all vertices and all points that divide the sides into n equal parts.

Table of values

n a(n)
1 42
2 708
3 5369
4 17417
5 47796
6 99261
7 194278
8 331955
9 546805
10 833946
11 1245314
12 1762265
13 2461837
14 3311680
15 4402405
16 5700598
17 7322231
18 9200878
19 11494161
20 14108123
21 17224438
22 20752264
23 24894009
24 29506128
25 34854099
26 40780391
27 47552050

List of values

[42, 708, 5369, 17417, 47796, 99261, 194278, 331955, 546805, 833946, 1245314, 1762265, 2461837, 3311680, 4402405, 5700598, 7322231, 9200878, 11494161, 14108123, 17224438, 20752264, 24894009, 29506128, 34854099, 40780391, 47552050]

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

Content is available under The OEIS End-User License Agreement.