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.

A386201 Lengths of the long leg in the unique primitive Pythagorean triple whose inradius is A000032(n) and such that its long leg and its hypotenuse are consecutive natural numbers.

Original entry on oeis.org

12, 4, 24, 40, 112, 264, 684, 1740, 4512, 11704, 30504, 79600, 208012, 543924, 1422984, 3723720, 9746112, 25511224, 66782124, 174826300, 457682512, 1198198104, 3136874424, 8212364640, 21500121612, 56287841764, 147363147384, 385801185640, 1010039738512
Offset: 0

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Keywords

Crossrefs

Cf. A000032, A380821 (short legs).

Formula

a(n) = 2 * A000032(n) * (A000032(n) + 1).