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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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A228875 Pairs of Pythagorean numbers differing by 6.

Original entry on oeis.org

24, 30, 54, 60, 210, 216, 330, 336, 480, 486, 540, 546, 720, 726, 750, 756, 1344, 1350, 1710, 1716, 2160, 2166, 8664, 8670, 8970, 8976, 10080, 10086, 10290, 10296, 12144, 12150, 15600, 15606, 18144, 18150, 24570, 24576, 28560, 28566, 30240, 30246, 34650, 34656
Offset: 1

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Author

T. D. Noe, Sep 24 2013

Keywords

Comments

These are pairs of terms of A009111 differing by 6 -- the least amount possible. Mohanty and Mohanty call these twin Pythagorean numbers. In Theorem 9, they prove that there are an infinite number of these numbers.

Links

  • Supriya Mohanty and S. P. Mohanty, Pythagorean Numbers, Fibonacci Quarterly 28 (1990), 31-42.

Crossrefs

Cf. A009111 (Pythagorean numbers).
Cf. A228876, A228877 (upper and lower Pythagorean twins).
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