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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.

A227405 Order of the symmetry group of the densest possible packing of N circles in a larger circle. (If there are different patterns with the same density pick the largest value of the symmetry group order.)

Table of values

n a(n)
2 4
3 6
4 8
5 10
6 12
7 12
8 14
9 16
10 2
11 2
12 6
13 2

List of values

[4, 6, 8, 10, 12, 12, 14, 16, 2, 2, 6, 2]

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

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