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.

A232819 Real part of the sum over the n-th powers of all Gaussian integers in the n X n base square in the first quadrant.

Table of values

n a(n)
1 1
2 0
3 -144
4 -2568
5 -28200
6 0
7 15203328
8 675195936
9 16696909080
10 0
11 -25789252433472
12 -1612260342054360
13 -54804262577596532
14 0
15 161017938434267136000
16 13718166932451951573120
17 621130358284578576358416
18 0
19 -3008072527724272784969384000
20 -320196271193421334219630013080

List of values

[1, 0, -144, -2568, -28200, 0, 15203328, 675195936, 16696909080, 0, -25789252433472, -1612260342054360, -54804262577596532, 0, 161017938434267136000, 13718166932451951573120, 621130358284578576358416, 0, -3008072527724272784969384000, -320196271193421334219630013080]