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.

A320072 Number of length n primitive (=aperiodic or period n) 7-ary words 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 6
3 48
4 336
5 2400
6 16752
7 117648
8 823200
9 5764752
10 40351200
11 282475248
12 1977309600
13 13841287200
14 96888892752
15 678223070400
16 4747560686400
17 33232930569600
18 232630508205648
19 1628413597910448
20 11398895145019200
21 79792266297494304
22 558545863800808752

List of values

[1, 6, 48, 336, 2400, 16752, 117648, 823200, 5764752, 40351200, 282475248, 1977309600, 13841287200, 96888892752, 678223070400, 4747560686400, 33232930569600, 232630508205648, 1628413597910448, 11398895145019200, 79792266297494304, 558545863800808752]

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

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