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.

A380824 Area of the unique primitive Pythagorean triple whose inradius is A000032(n) and such that its long leg and its hypotenuse are consecutive natural numbers.

Table of values

n a(n)
0 30
1 6
2 84
3 180
4 840
5 3036
6 12654
7 51330
8 214320
9 895356
10 3767244
11 15880200
12 67083870
13 283656366
14 1200287004
15 5081015940
16 21514542240
17 91113336516
18 385900503534
19 1634538491850
20 6923592200280
21 29327695892556
22 124231206250884
23 526244219948880
24 2229186359036190
25 9442932766091286

List of values

[30, 6, 84, 180, 840, 3036, 12654, 51330, 214320, 895356, 3767244, 15880200, 67083870, 283656366, 1200287004, 5081015940, 21514542240, 91113336516, 385900503534, 1634538491850, 6923592200280, 29327695892556, 124231206250884, 526244219948880, 2229186359036190, 9442932766091286]

Started in 1964 by Neil J. A. Sloane | Maintained by The OEIS Foundation Inc.

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