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.

A330846 The number of vertices inside a hexagon 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 19
2 301
3 1753
4 6913
5 17713
6 38497
7 80473
8 139927
9 225595
10 356329
11 549967
12 756901
13 1113283
14 1474867
15 1913365
16 2620789
17 3418081
18 4119175
19 5428993
20 6453235
21 7861957
22 9761335
23 11913115
24 13695055
25 16489633
26 19439797
27 22464883
28 25997329
29 30860593
30 33866305

List of values

[19, 301, 1753, 6913, 17713, 38497, 80473, 139927, 225595, 356329, 549967, 756901, 1113283, 1474867, 1913365, 2620789, 3418081, 4119175, 5428993, 6453235, 7861957, 9761335, 11913115, 13695055, 16489633, 19439797, 22464883, 25997329, 30860593, 33866305]

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

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