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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.

A269576 a(n) = Product_{i=1..n} (4^i - 3^i).

Table of values

n a(n)
1 1
2 7
3 259
4 45325
5 35398825
6 119187843775
7 1692109818073675
8 99792176520894983125
9 24195710911432718503470625
10 23942309231057283642583777144375
11 96180015123706384385790918441966041875

List of values

[1, 7, 259, 45325, 35398825, 119187843775, 1692109818073675, 99792176520894983125, 24195710911432718503470625, 23942309231057283642583777144375, 96180015123706384385790918441966041875]

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

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