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.

A300401 Array T(n,k) = n*(binomial(k, 2) + 1) + k*(binomial(n, 2) + 1) read by antidiagonals.

Table of values

n a(n)
0 0
1 1
2 1
3 2
4 2
5 2
6 3
7 4
8 4
9 3
10 4
11 7
12 8
13 7
14 4
15 5
16 11
17 14
18 14
19 11
20 5
21 6
22 16
23 22
24 24
25 22
26 16
27 6
28 7
29 22
30 32
31 37
32 37
33 32
34 22
35 7
36 8
37 29
38 44
39 53
40 56
41 53
42 44
43 29
44 8
45 9
46 37
47 58
48 72
49 79
50 79
51 72
52 58
53 37
54 9
55 10
56 46
57 74
58 94
59 106
60 110
61 106
62 94
63 74
64 46
65 10
66 11
67 56
68 92
69 119

List of values

[0, 1, 1, 2, 2, 2, 3, 4, 4, 3, 4, 7, 8, 7, 4, 5, 11, 14, 14, 11, 5, 6, 16, 22, 24, 22, 16, 6, 7, 22, 32, 37, 37, 32, 22, 7, 8, 29, 44, 53, 56, 53, 44, 29, 8, 9, 37, 58, 72, 79, 79, 72, 58, 37, 9, 10, 46, 74, 94, 106, 110, 106, 94, 74, 46, 10, 11, 56, 92, 119]