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.

A224242 Numbers k such that k^2 XOR (k+1)^2 is a square, and k^2 XOR (k-1)^2 is a square, where XOR is the bitwise logical XOR operator.

Table of values

n a(n)
1 0
2 4
3 24
4 44
5 112
6 480
7 1984
8 8064
9 32512
10 130560
11 263160
12 278828
13 340028
14 523264
15 2095104
16 8384512
17 25239472
18 32490836
19 33546240
20 134201344
21 536838144
22 2147418112

List of values

[0, 4, 24, 44, 112, 480, 1984, 8064, 32512, 130560, 263160, 278828, 340028, 523264, 2095104, 8384512, 25239472, 32490836, 33546240, 134201344, 536838144, 2147418112]