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.

A307255 Numbers k such that k is the substring identical to the most significant digits of its base-4 representation.

Table of values

n a(n)
1 0
2 1
3 2
4 3
5 133302001
6 132303132012
7 131312312013231
8 132000312313232
9 123111200333000032
10 130330012131021302
11 131011302011130113
12 122132323102303012312
13 130030202001033022111
14 113333330333220330011201
15 121222313212022110233320
16 113121021032311213311133001
17 120320123012330002303131013

List of values

[0, 1, 2, 3, 133302001, 132303132012, 131312312013231, 132000312313232, 123111200333000032, 130330012131021302, 131011302011130113, 122132323102303012312, 130030202001033022111, 113333330333220330011201, 121222313212022110233320, 113121021032311213311133001, 120320123012330002303131013]