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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.

A292686 Sierpinski-type iteration: start with a(0)=1, at each step, replace 0 with 000 and 1 with 101.

Table of values

n a(n)
0 1
1 101
2 101000101
3 101000101000000000101000101
4 101000101000000000101000101000000000000000000000000000101000101000000000101000101

List of values

[1, 101, 101000101, 101000101000000000101000101, 101000101000000000101000101000000000000000000000000000101000101000000000101000101]

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

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