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.

A367116 a(0) = 1; for n >= 1, a(n) is the largest number m = Product_{j=1..k} (b(j)-1) where {b(1), ..., b(k)} is a vector of positive integers such that Sum_{i=1..k} b(i)^2 = n.

Table of values

n a(n)
0 1
1 0
2 0
3 0
4 1
5 0
6 0
7 0
8 1
9 2
10 0
11 0
12 1
13 2
14 0
15 0
16 3
17 2
18 4
19 0
20 3
21 2
22 4
23 0
24 3
25 6
26 4
27 8
28 3
29 6
30 4
31 8
32 9
33 6
34 12
35 8
36 16
37 6
38 12
39 8
40 16
41 18
42 12
43 24
44 16
45 32
46 12
47 24
48 27
49 32
50 36
51 24
52 48
53 32
54 64
55 24
56 48
57 54
58 64
59 72
60 48
61 96
62 64
63 128
64 81
65 96
66 108
67 128
68 144
69 96
70 192
71 128
72 256

List of values

[1, 0, 0, 0, 1, 0, 0, 0, 1, 2, 0, 0, 1, 2, 0, 0, 3, 2, 4, 0, 3, 2, 4, 0, 3, 6, 4, 8, 3, 6, 4, 8, 9, 6, 12, 8, 16, 6, 12, 8, 16, 18, 12, 24, 16, 32, 12, 24, 27, 32, 36, 24, 48, 32, 64, 24, 48, 54, 64, 72, 48, 96, 64, 128, 81, 96, 108, 128, 144, 96, 192, 128, 256]