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.

A213673 (n^2 - A000695(n))/4.

Table of values

n a(n)
0 0
1 0
2 0
3 1
4 0
5 2
6 4
7 7
8 0
9 4
10 8
11 13
12 16
13 22
14 28
15 35
16 0
17 8
18 16
19 25
20 32
21 42
22 52
23 63
24 64
25 76
26 88
27 101
28 112
29 126
30 140
31 155
32 0
33 16
34 32
35 49
36 64
37 82
38 100
39 119
40 128
41 148
42 168
43 189
44 208
45 230
46 252
47 275
48 256
49 280
50 304
51 329
52 352
53 378
54 404
55 431
56 448
57 476
58 504

List of values

[0, 0, 0, 1, 0, 2, 4, 7, 0, 4, 8, 13, 16, 22, 28, 35, 0, 8, 16, 25, 32, 42, 52, 63, 64, 76, 88, 101, 112, 126, 140, 155, 0, 16, 32, 49, 64, 82, 100, 119, 128, 148, 168, 189, 208, 230, 252, 275, 256, 280, 304, 329, 352, 378, 404, 431, 448, 476, 504]