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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.

A280923 Degree of O(n,C), the orthogonal group, as an algebraic variety.

Table of values

n a(n)
2 4
3 16
4 80
5 768
6 9536
7 223232
8 6867200
9 393936896
10 29989282816
11 4225123221504
12 795427838939136
13 275571189819113472
14 128240735455510216704
15 109332361699222156738560
16 125729867860804073988096000
17 263919716304200619134696816640
18 749827702212803707621023160729600
19 3876699219598969046471294814225694720

List of values

[4, 16, 80, 768, 9536, 223232, 6867200, 393936896, 29989282816, 4225123221504, 795427838939136, 275571189819113472, 128240735455510216704, 109332361699222156738560, 125729867860804073988096000, 263919716304200619134696816640, 749827702212803707621023160729600, 3876699219598969046471294814225694720]

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

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