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.

A177019 a(n) = 3*10^(2*n) + 3*10^n + 1.

Table of values

n a(n)
0 7
1 331
2 30301
3 3003001
4 300030001
5 30000300001
6 3000003000001
7 300000030000001
8 30000000300000001
9 3000000003000000001
10 300000000030000000001
11 30000000000300000000001
12 3000000000003000000000001
13 300000000000030000000000001
14 30000000000000300000000000001
15 3000000000000003000000000000001

List of values

[7, 331, 30301, 3003001, 300030001, 30000300001, 3000003000001, 300000030000001, 30000000300000001, 3000000003000000001, 300000000030000000001, 30000000000300000000001, 3000000000003000000000001, 300000000000030000000000001, 30000000000000300000000000001, 3000000000000003000000000000001]

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

Content is available under The OEIS End-User License Agreement.