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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.

A218129 2^(((c - 2)^2 + (c - 2))/2) + n = a(n), where c are the positive solutions to {y in N | 2*cos(2*Pi/y) is in Z}; c = {1,2,3,4,6}.

Table of values

n a(n)
0 1
1 2
2 4
3 11
4 1028

List of values

[1, 2, 4, 11, 1028]

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