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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.

A184388 a(n) = product of numbers from 1 to sigma(n), where sigma(n) = A000203(n).

Table of values

n a(n)
1 1
2 6
3 24
4 5040
5 720
6 479001600
7 40320
8 1307674368000
9 6227020800
10 6402373705728000
11 479001600
12 304888344611713860501504000000
13 87178291200
14 620448401733239439360000
15 620448401733239439360000
16 8222838654177922817725562880000000
17 6402373705728000

List of values

[1, 6, 24, 5040, 720, 479001600, 40320, 1307674368000, 6227020800, 6402373705728000, 479001600, 304888344611713860501504000000, 87178291200, 620448401733239439360000, 620448401733239439360000, 8222838654177922817725562880000000, 6402373705728000]

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

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