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.

A127561 Array T(n,k) = n^2+5*n*k+5*k^2 read downwards antidiagonals, n,k>=0.

Table of values

n a(n)
0 0
1 5
2 1
3 20
4 11
5 4
6 45
7 31
8 19
9 9
10 80
11 61
12 44
13 29
14 16
15 125
16 101
17 79
18 59
19 41
20 25
21 180
22 151
23 124
24 99
25 76
26 55
27 36
28 245
29 211
30 179
31 149
32 121
33 95
34 71
35 49
36 320
37 281
38 244
39 209
40 176
41 145
42 116
43 89
44 64
45 405
46 361
47 319
48 279
49 241
50 205
51 171
52 139
53 109
54 81
55 500
56 451
57 404
58 359
59 316
60 275
61 236
62 199
63 164
64 131

List of values

[0, 5, 1, 20, 11, 4, 45, 31, 19, 9, 80, 61, 44, 29, 16, 125, 101, 79, 59, 41, 25, 180, 151, 124, 99, 76, 55, 36, 245, 211, 179, 149, 121, 95, 71, 49, 320, 281, 244, 209, 176, 145, 116, 89, 64, 405, 361, 319, 279, 241, 205, 171, 139, 109, 81, 500, 451, 404, 359, 316, 275, 236, 199, 164, 131]