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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.

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A356519 Denominators in approximations to the Aurifeuillian factors of p^p +- 1.

Original entry on oeis.org

3, 45, 2835, 42525, 1403325, 273648375
Offset: 1

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Author

Patrick A. Thomas, Aug 10 2022

Keywords

Comments

a(1) = 3 = 4! / 2^3
a(2) = 3^2 * 5 = 6! / 2^4
a(3) = 3^4 * 5 * 7 = 8! / 2^7 * 3^2
a(4) = 3^5 * 5^2 * 7 = 10! / 2^8 * 3
a(5) = 3^6 * 5^2 * 7 * 11 = 12! / 2^10 * 3

Crossrefs

Cf. A356518 (numerators), A352711, A352732, A352400, A352401.
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