cp's OEIS Frontend

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.

A376430 Numbers that can appear as both short and long legs of Pythagorean triangles with Pythagorean primes A002144 as hypotenuses.

Original entry on oeis.org

12, 15, 35, 40, 45, 60, 72, 80, 105, 112, 132, 140, 165, 168, 180, 195, 209, 221, 231, 252, 255, 260, 275, 285, 299, 312, 325, 340, 380, 391, 399, 408, 420, 425, 440, 459, 465, 520, 532, 575, 595, 600, 609, 612, 651, 660, 700, 728, 741, 748, 759, 760, 779, 780, 800
Offset: 1

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Author

Hugo Pfoertner, Sep 23 2024

Keywords

Comments

Intersection of A002365 and A002366.

Examples

			a(1) = 12, because it is the long leg in the triangle (5, 12, 13) and the short leg in (12, 35, 37);
a(2) = 15: long leg in (8, 15, 17), short leg in (15, 112, 113).
		

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