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.

A303367 Numbers equal to the determinant of a circulant matrix based on the base-7 digits of n.

Table of values

n a(n)
1 1
2 2
3 3
4 4
5 5
6 6
7 27
8 81
9 133
10 143
11 144
12 152
13 190
14 209
15 250
16 1125
17 8569
18 10934
19 16401
20 237568
21 362306
22 391257
23 695751
24 723260
25 5294625
26 6056974
27 6332291
28 6523631
29 6669475
30 11128547
31 12486285
32 17417491
33 18682225
34 19429514
35 19781014
36 20924092
37 21671381

List of values

[1, 2, 3, 4, 5, 6, 27, 81, 133, 143, 144, 152, 190, 209, 250, 1125, 8569, 10934, 16401, 237568, 362306, 391257, 695751, 723260, 5294625, 6056974, 6332291, 6523631, 6669475, 11128547, 12486285, 17417491, 18682225, 19429514, 19781014, 20924092, 21671381]