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.

A380821 Length of the shorts 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.

Table of values

n a(n)
0 5
1 3
2 7
3 9
4 15
5 23
6 37
7 59
8 95
9 153
10 247
11 399
12 645
13 1043
14 1687
15 2729
16 4415
17 7143
18 11557
19 18699
20 30255
21 48953
22 79207
23 128159
24 207365
25 335523
26 542887
27 878409
28 1421295
29 2299703
30 3720997
31 6020699
32 9741695
33 15762393
34 25504087
35 41266479
36 66770565
37 108037043

List of values

[5, 3, 7, 9, 15, 23, 37, 59, 95, 153, 247, 399, 645, 1043, 1687, 2729, 4415, 7143, 11557, 18699, 30255, 48953, 79207, 128159, 207365, 335523, 542887, 878409, 1421295, 2299703, 3720997, 6020699, 9741695, 15762393, 25504087, 41266479, 66770565, 108037043]

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

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