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.

A293290 a(n) = Product_{1 <= j <= k <= n} (k^2 + j^2).

Table of values

n a(n)
0 1
1 2
2 80
3 187200
4 50918400000
5 2675955409920000000
6 40702283662588674048000000000
7 250658664786823821917343252480000000000000
8 832906513114759565863066815448211678822400000000000000000
9 1919381816160714520414106848157314737202346840876384256000000000000000000000

List of values

[1, 2, 80, 187200, 50918400000, 2675955409920000000, 40702283662588674048000000000, 250658664786823821917343252480000000000000, 832906513114759565863066815448211678822400000000000000000, 1919381816160714520414106848157314737202346840876384256000000000000000000000]

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

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