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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.

A189896 Weak Ackermann numbers: H_n(n,n) where H_n is the n-th hyperoperator.

Table of values

n	a(n)
0	1
1	2
2	4
3	27

List of values

[1, 2, 4, 27]

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