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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.

A272589 Numbers n such that the equation F(n) = sigma(F(i) + F(j)) has a solution with i >= 1 and j >= 0, where F(k) = A000045(k) represents the k-th Fibonacci number.

Table of values

n a(n)
1 1
2 2
3 4
4 6
5 7
6 12
7 24

List of values

[1, 2, 4, 6, 7, 12, 24]

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