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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.

A002109 Hyperfactorials: Product_{k = 1..n} k^k.

Table of values

n a(n)
0 1
1 1
2 4
3 108
4 27648
5 86400000
6 4031078400000
7 3319766398771200000
8 55696437941726556979200000
9 21577941222941856209168026828800000
10 215779412229418562091680268288000000000000000
11 61564384586635053951550731889313964883968000000000000000

List of values

[1, 1, 4, 108, 27648, 86400000, 4031078400000, 3319766398771200000, 55696437941726556979200000, 21577941222941856209168026828800000, 215779412229418562091680268288000000000000000, 61564384586635053951550731889313964883968000000000000000]

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

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