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.

A320093 Number of primitive (=aperiodic) 9-ary words with length less than or equal to n which are earlier in lexicographic order than any other word derived by cyclic shifts of the alphabet.

Table of values

n a(n)
1 1
2 9
3 89
4 809
5 7369
6 66329
7 597769
8 5380009
9 48426649
10 435840569
11 3922624969
12 35303624809
13 317733161289
14 2859598458169
15 25736390906489
16 231627518218169
17 2084647707070009
18 18761829363630889
19 168856464660630009
20 1519708181946200889
21 13677373641002598169

List of values

[1, 9, 89, 809, 7369, 66329, 597769, 5380009, 48426649, 435840569, 3922624969, 35303624809, 317733161289, 2859598458169, 25736390906489, 231627518218169, 2084647707070009, 18761829363630889, 168856464660630009, 1519708181946200889, 13677373641002598169]

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

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