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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.

A261457 a(n) = prime(n)! - n!.

Table of values

n a(n)
1 1
2 4
3 114
4 5016
5 39916680
6 6227020080
7 355687428090960
8 121645100408791680
9 25852016738884976277120
10 8841761993739701954543612371200
11 8222838654177922817725562840083200
12 13763753091226345046315979581580901920998400

List of values

[1, 4, 114, 5016, 39916680, 6227020080, 355687428090960, 121645100408791680, 25852016738884976277120, 8841761993739701954543612371200, 8222838654177922817725562840083200, 13763753091226345046315979581580901920998400]

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

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