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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.

A330990 Numbers whose inverse prime shadow (A181821) has its number of factorizations into factors > 1 (A001055) equal to a power of 2 (A000079).

Table of values

n a(n)
1 1
2 2
3 3
4 4
5 6
6 15
7 44

List of values

[1, 2, 3, 4, 6, 15, 44]

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