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.

A037156 a(n) = 10^n*(10^n+1)/2.

Table of values

n a(n)
0 1
1 55
2 5050
3 500500
4 50005000
5 5000050000
6 500000500000
7 50000005000000
8 5000000050000000
9 500000000500000000
10 50000000005000000000
11 5000000000050000000000
12 500000000000500000000000
13 50000000000005000000000000
14 5000000000000050000000000000

List of values

[1, 55, 5050, 500500, 50005000, 5000050000, 500000500000, 50000005000000, 5000000050000000, 500000000500000000, 50000000005000000000, 5000000000050000000000, 500000000000500000000000, 50000000000005000000000000, 5000000000000050000000000000]

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

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