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.

A127405 Number of points in a 2-dimensional honeycomb net covered by a circular disk of diameter n if the center of the disk is chosen to minimize the number of net points covered by the disk.

Table of values

n a(n)
1 0
2 2
3 4
4 8
5 12
6 20
7 24
8 36
9 46
10 56
11 68
12 81
13 96
14 116
15 130
16 150
17 168
18 190
19 204
20 236

List of values

[0, 2, 4, 8, 12, 20, 24, 36, 46, 56, 68, 81, 96, 116, 130, 150, 168, 190, 204, 236]

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

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