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.

A382843 Length of the long leg in the unique primitive Pythagorean triple (x,y,z) such that (x-y+z)/2 = A000045(n) and its long leg and hypotenuse are consecutive natural numbers.

Table of values

n a(n)
0 0
1 0
2 0
3 4
4 12
5 40
6 112
7 312
8 840
9 2244
10 5940
11 15664
12 41184
13 108112
14 283504
15 742980
16 1946364
17 5097624
18 13348944
19 34953160
20 91516920
21 239607940
22 627323620
23 1642389984
24 4299890112
25 11257351200
26 29472278112
27 77159668612
28 202007027820
29 528861900424
30 1384579459120

List of values

[0, 0, 0, 4, 12, 40, 112, 312, 840, 2244, 5940, 15664, 41184, 108112, 283504, 742980, 1946364, 5097624, 13348944, 34953160, 91516920, 239607940, 627323620, 1642389984, 4299890112, 11257351200, 29472278112, 77159668612, 202007027820, 528861900424, 1384579459120]

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

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