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.

A123689 Number of points in a square lattice covered by a circle of diameter n if the center of the circle is chosen such that the circle covers the minimum possible number of lattice points.

Table of values

n a(n)
1 0
2 2
3 4
4 10
5 16
6 26
7 32
8 46
9 60
10 74
11 88
12 108
13 124
14 146
15 172
16 194
17 216
18 248
19 276
20 308

List of values

[0, 2, 4, 10, 16, 26, 32, 46, 60, 74, 88, 108, 124, 146, 172, 194, 216, 248, 276, 308]

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

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