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.

A316200 Number of self-avoiding polygons with perimeter n and sides = 1 that have vertex angles from the set 0, +-Pi/5, +-2*Pi/5, +-3*Pi/5, +-4*Pi/5, not counting rotations and reflections as distinct.

Table of values

n a(n)
1 0
2 0
3 0
4 2
5 2
6 10
7 15
8 124
9 352
10 2378
11 19405

List of values

[0, 0, 0, 2, 2, 10, 15, 124, 352, 2378, 19405]