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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.

A325050 a(n) = Product_{k=0..n} (k!^2 + 1).

Table of values

n a(n)
0 2
1 4
2 20
3 740
4 426980
5 6148938980
6 3187616116170980
7 80970552724144881738980
8 131634021973939424914920841290980
9 17333817381151204925617274632152908873802980
10 228254990993381085562170532497621436371926846785405002980

List of values

[2, 4, 20, 740, 426980, 6148938980, 3187616116170980, 80970552724144881738980, 131634021973939424914920841290980, 17333817381151204925617274632152908873802980, 228254990993381085562170532497621436371926846785405002980]

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

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