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.

A066138 a(n) = 10^(2*n) + 10^n + 1.

Table of values

n a(n)
0 3
1 111
2 10101
3 1001001
4 100010001
5 10000100001
6 1000001000001
7 100000010000001
8 10000000100000001
9 1000000001000000001
10 100000000010000000001
11 10000000000100000000001
12 1000000000001000000000001
13 100000000000010000000000001
14 10000000000000100000000000001
15 1000000000000001000000000000001

List of values

[3, 111, 10101, 1001001, 100010001, 10000100001, 1000001000001, 100000010000001, 10000000100000001, 1000000001000000001, 100000000010000000001, 10000000000100000000001, 1000000000001000000000001, 100000000000010000000000001, 10000000000000100000000000001, 1000000000000001000000000000001]

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

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