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.

A113526 Define the first two terms to be 1 and 3. All the other terms are obtained by concatenating the two previous terms.

Table of values

n a(n)
1 1
2 3
3 13
4 313
5 13313
6 31313313
7 1331331313313
8 313133131331331313313
9 1331331313313313133131331331313313
10 3131331313313313133131331331313313313133131331331313313

List of values

[1, 3, 13, 313, 13313, 31313313, 1331331313313, 313133131331331313313, 1331331313313313133131331331313313, 3131331313313313133131331331313313313133131331331313313]

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

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