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.

A271914 Symmetric array read by antidiagonals: T(n,k) (n>=1, k>=1) = maximal number of points that can be chosen in an n X k rectangular grid such that no three distinct points form an isosceles triangle.

Table of values

n a(n)
1 1
2 2
3 2
4 3
5 2
6 3
7 4
8 4
9 4
10 4
11 5
12 4
13 4
14 4
15 5
16 6
17 5
18 5
19 5
20 5
21 6
22 7
23 6
24 6
25 6
26 6
27 6
28 7
29 8
30 7
31 8
32 7
33 7
34 8
35 7
36 8
37 9
38 8
39 8
40 8
41 8
42 8
43 8
44 8
45 9
46 10
47 9
48 10
49 9
50 9
51 9
52 9
53 10
54 9
55 10

List of values

[1, 2, 2, 3, 2, 3, 4, 4, 4, 4, 5, 4, 4, 4, 5, 6, 5, 5, 5, 5, 6, 7, 6, 6, 6, 6, 6, 7, 8, 7, 8, 7, 7, 8, 7, 8, 9, 8, 8, 8, 8, 8, 8, 8, 9, 10, 9, 10, 9, 9, 9, 9, 10, 9, 10]