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.

A113454 Triangle giving maximal permanent P(n,k) of an n X n lower Hessenberg (0,1)-matrix with exactly k 1's for n >= 3 and 2n < k <= (8n)/3, read by rows.

Table of values

n a(n)
0 3
1 4
2 4
3 5
4 6
5 8
6 8
7 8
8 10
9 12
10 16
11 12
12 16
13 16
14 20
15 16
16 20
17 24
18 32
19 32
20 24
21 32
22 32
23 40
24 48
25 64
26 32
27 40
28 48
29 64
30 64
31 80
32 48
33 64
34 64
35 80
36 96
37 128
38 128
39 64
40 80
41 96
42 128
43 128
44 160
45 192
46 256

List of values

[3, 4, 4, 5, 6, 8, 8, 8, 10, 12, 16, 12, 16, 16, 20, 16, 20, 24, 32, 32, 24, 32, 32, 40, 48, 64, 32, 40, 48, 64, 64, 80, 48, 64, 64, 80, 96, 128, 128, 64, 80, 96, 128, 128, 160, 192, 256]