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.

A330613 Triangle read by rows: T(n, k) = 1 + k - 2*n - 2*k*n + 2*n^2, with 0 <= k < n.

Table of values

n a(n)
1 1
2 5
3 2
4 13
5 8
6 3
7 25
8 18
9 11
10 4
11 41
12 32
13 23
14 14
15 5
16 61
17 50
18 39
19 28
20 17
21 6
22 85
23 72
24 59
25 46
26 33
27 20
28 7
29 113
30 98
31 83
32 68
33 53
34 38
35 23
36 8
37 145
38 128
39 111
40 94
41 77
42 60
43 43
44 26
45 9
46 181
47 162
48 143
49 124
50 105
51 86
52 67
53 48
54 29
55 10
56 221
57 200
58 179
59 158
60 137
61 116
62 95
63 74
64 53
65 32
66 11

List of values

[1, 5, 2, 13, 8, 3, 25, 18, 11, 4, 41, 32, 23, 14, 5, 61, 50, 39, 28, 17, 6, 85, 72, 59, 46, 33, 20, 7, 113, 98, 83, 68, 53, 38, 23, 8, 145, 128, 111, 94, 77, 60, 43, 26, 9, 181, 162, 143, 124, 105, 86, 67, 48, 29, 10, 221, 200, 179, 158, 137, 116, 95, 74, 53, 32, 11]