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.

A134230 a(n) = (10^n+1)^2-1.

Table of values

n a(n)
0 3
1 120
2 10200
3 1002000
4 100020000
5 10000200000
6 1000002000000
7 100000020000000
8 10000000200000000
9 1000000002000000000
10 100000000020000000000
11 10000000000200000000000
12 1000000000002000000000000
13 100000000000020000000000000
14 10000000000000200000000000000

List of values

[3, 120, 10200, 1002000, 100020000, 10000200000, 1000002000000, 100000020000000, 10000000200000000, 1000000002000000000, 100000000020000000000, 10000000000200000000000, 1000000000002000000000000, 100000000000020000000000000, 10000000000000200000000000000]

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

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