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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.

A076041 a(n) = n! for n < 4; else a(n) = floor(P(n-1)/n) where P(n) = a(1) * a(2) * ... * a(n).

Table of values

n a(n)
1 1
2 2
3 6
4 3
5 7
6 42
7 1512
8 2000376
9 3556892570112
10 11386336279786153952123289
11 117862412614885811248635740101130996768076206774085

List of values

[1, 2, 6, 3, 7, 42, 1512, 2000376, 3556892570112, 11386336279786153952123289, 117862412614885811248635740101130996768076206774085]

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

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