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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.

A008548 Quintuple factorial numbers: Product_{k=0..n-1} (5*k+1).

Table of values

n a(n)
0 1
1 1
2 6
3 66
4 1056
5 22176
6 576576
7 17873856
8 643458816
9 26381811456
10 1213563326976
11 61891729675776
12 3465936861843456
13 211422148572450816
14 13953861805781753856
15 990724188210504523776
16 75295038303998343806976
17 6098898102623865848365056
18 524505236825652462959394816

List of values

[1, 1, 6, 66, 1056, 22176, 576576, 17873856, 643458816, 26381811456, 1213563326976, 61891729675776, 3465936861843456, 211422148572450816, 13953861805781753856, 990724188210504523776, 75295038303998343806976, 6098898102623865848365056, 524505236825652462959394816]

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

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