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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.

A333132 a(n) = n for n <= 3; thereafter a(n) = 2^(a(n-1)-1) + a(n-1).

Table of values

n	a(n)
1	1
2	2
3	3
4	7
5	71
6	1180591620717411303495

List of values

[1, 2, 3, 7, 71, 1180591620717411303495]

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