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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.

A323716 a(n) = Product_{k=0..n} (3^k + 1).

Table of values

n a(n)
0 2
1 8
2 80
3 2240
4 183680
5 44817920
6 32717081600
7 71584974540800
8 469740602936729600
9 9246374028206585446400
10 545998386365598870609920000
11 96722522147893108730806108160000
12 51402410615320609490117059732766720000

List of values

[2, 8, 80, 2240, 183680, 44817920, 32717081600, 71584974540800, 469740602936729600, 9246374028206585446400, 545998386365598870609920000, 96722522147893108730806108160000, 51402410615320609490117059732766720000]

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

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