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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.

A325048 a(n) = Product_{i=0..n, j=0..n} (i!^2 + j!^2).

Table of values

n a(n)
0 2
1 16
2 80000
3 17272267776000000
4 277884245560378426290863196025651200000000
5 3337940951837185557810120427617693521487357301121536848574225250643001642844160000000000

List of values

[2, 16, 80000, 17272267776000000, 277884245560378426290863196025651200000000, 3337940951837185557810120427617693521487357301121536848574225250643001642844160000000000]

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

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