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.

A303369 Numbers equal to the determinant of a circulant matrix based on the base-9 digits of n.

Table of values

n a(n)
1 1
2 2
3 3
4 4
5 5
6 6
7 7
8 8
9 104
10 126
11 130
12 468
13 2035
14 8052
15 8421
16 12100
17 18788
18 21296
19 60736
20 90155
21 109135
22 119795
23 123201
24 137605
25 147095
26 160965
27 199728
28 457856
29 523809
30 697334
31 2958176
32 3652360
33 4725030
34 5331625
35 6825024
36 7014400
37 7694336
38 9376133
39 14012352

List of values

[1, 2, 3, 4, 5, 6, 7, 8, 104, 126, 130, 468, 2035, 8052, 8421, 12100, 18788, 21296, 60736, 90155, 109135, 119795, 123201, 137605, 147095, 160965, 199728, 457856, 523809, 697334, 2958176, 3652360, 4725030, 5331625, 6825024, 7014400, 7694336, 9376133, 14012352]