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.

A054351 Successive generations of the Kolakoski sequence A000002.

Table of values

n a(n)
0 1
1 12
2 1221
3 1221121
4 12211212212
5 122112122122112112
6 1221121221221121122121121221
7 1221121221221121122121121221121121221221121
8 12211212212211211221211212211211212212211212212112112212211212212

List of values

[1, 12, 1221, 1221121, 12211212212, 122112122122112112, 1221121221221121122121121221, 1221121221221121122121121221121121221221121, 12211212212211211221211212211211212212211212212112112212211212212]