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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.

A382409 Semiperimeter of the unique primitive Pythagorean triple (a,b,c) such that (a-b+c)/2 is A000032(n) and such that its long leg and its hypotenuse are consecutive natural numbers.

Table of values

n a(n)
0 6
1 1
2 15
3 28
4 91
5 231
6 630
7 1653
8 4371
9 11476
10 30135
11 79003
12 207046
13 542361
14 1420455
15 3719628
16 9739491
17 25500511
18 66764790
19 174798253
20 457637131
21 1198124676
22 3136755615
23 8212172403
24 21499810566
25 56287338481
26 147362333055
27 385799868028
28 1010037606571
29 2644313494551
30 6922903755510

List of values

[6, 1, 15, 28, 91, 231, 630, 1653, 4371, 11476, 30135, 79003, 207046, 542361, 1420455, 3719628, 9739491, 25500511, 66764790, 174798253, 457637131, 1198124676, 3136755615, 8212172403, 21499810566, 56287338481, 147362333055, 385799868028, 1010037606571, 2644313494551, 6922903755510]

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

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