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.

A086432 Maximum of |det(A)| where A is an n X n circulant (0,1) matrix over the integers.

Table of values

n a(n)
1 1
2 1
3 2
4 3
5 4
6 9
7 32
8 45
9 95
10 275
11 1458
12 2240
13 6561
14 19952
15 131072
16 214245
17 755829
18 2994003
19 19531250
20 37579575
21 134534444
22 577397064
23 4353564672
24 10757577600
25 31495183733
26 154611524732
27 738139162166
28 3124126889325
29 11937232425585
30 65455857159975

List of values

[1, 1, 2, 3, 4, 9, 32, 45, 95, 275, 1458, 2240, 6561, 19952, 131072, 214245, 755829, 2994003, 19531250, 37579575, 134534444, 577397064, 4353564672, 10757577600, 31495183733, 154611524732, 738139162166, 3124126889325, 11937232425585, 65455857159975]

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

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