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.

A113765 Define the first two terms to be 1 and 7. All the other terms are obtained by concatenating the two previous terms.

Table of values

n a(n)
0 1
1 7
2 17
3 717
4 17717
5 71717717
6 1771771717717
7 717177171771771717717
8 1771771717717717177171771771717717
9 7171771717717717177171771771717717717177171771771717717

List of values

[1, 7, 17, 717, 17717, 71717717, 1771771717717, 717177171771771717717, 1771771717717717177171771771717717, 7171771717717717177171771771717717717177171771771717717]

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

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