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.

A078226 a(1) = 1, a(n+1) is the smallest odd multiple of a(n) (other than a(n) itself) in which the digits are alternately even and odd.

Table of values

n a(n)
1 1
2 3
3 9
4 27
5 81
6 567
7 8505
8 76545
9 9874305
10 6763898925
11 41672381276925
12 25432529276163496725
13 6947294789656341278149816125
14 2341412581496361870123890149638785410125

List of values

[1, 3, 9, 27, 81, 567, 8505, 76545, 9874305, 6763898925, 41672381276925, 25432529276163496725, 6947294789656341278149816125, 2341412581496361870123890149638785410125]