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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.

A368721 a(n) = Product_{j=1..n, k=1..n} (j^4 + k^4 + n^4).

Table of values

n a(n)
0 1
1 3
2 940896
3 18425962131085183248
4 652934720004728520613911984092239003385856
5 433324200327440062759688153700055880769227264159137063987248492437306880000

List of values

[1, 3, 940896, 18425962131085183248, 652934720004728520613911984092239003385856, 433324200327440062759688153700055880769227264159137063987248492437306880000]

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

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