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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.

A324403 a(n) = Product_{i=1..n, j=1..n} (i^2 + j^2).

Table of values

n a(n)
0 1
1 2
2 400
3 121680000
4 281324160000000000
5 15539794609114833408000000000000
6 49933566483104048708063697937367040000000000000000
7 19323883089768863178599626514889213871887405416448000000000000000000000000

List of values

[1, 2, 400, 121680000, 281324160000000000, 15539794609114833408000000000000, 49933566483104048708063697937367040000000000000000, 19323883089768863178599626514889213871887405416448000000000000000000000000]

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

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