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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.

A027876 a(n) = Product_{i=1..n} (8^i - 1).

Table of values

n a(n)
0 1
1 7
2 441
3 225351
4 922812345
5 30237792108615
6 7926625536728661945
7 16623330670976050126618695
8 278893192683059452825059069034425
9 37432410397693271164043156886536608251975

List of values

[1, 7, 441, 225351, 922812345, 30237792108615, 7926625536728661945, 16623330670976050126618695, 278893192683059452825059069034425, 37432410397693271164043156886536608251975]

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

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