cp's OEIS Frontend

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.

A027878 a(n) = Product_{i=1..n} (10^i - 1).

Table of values

n a(n)
0 1
1 9
2 891
3 890109
4 8900199891
5 890011088900109
6 890010198889020099891
7 8900101098880002109889900109
8 890010100987899112108987901010099891
9 890010100097889011121088788901111989989900109

List of values

[1, 9, 891, 890109, 8900199891, 890011088900109, 890010198889020099891, 8900101098880002109889900109, 890010100987899112108987901010099891, 890010100097889011121088788901111989989900109]

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

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