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.

A203475 a(n) = Product_{1 <= i < j <= n} (i^2 + j^2).

Table of values

n a(n)
1 1
2 5
3 650
4 5525000
5 5807194900000
6 1226800120038480000000
7 77092420109247492627600000000000
8 2001314057760220784660590245696000000000000000
9 28468550112906756205383102673584071297339520000000000000000000

List of values

[1, 5, 650, 5525000, 5807194900000, 1226800120038480000000, 77092420109247492627600000000000, 2001314057760220784660590245696000000000000000, 28468550112906756205383102673584071297339520000000000000000000]

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

Content is available under The OEIS End-User License Agreement.