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.

A062851 Number of k such that 1 < k < n X n and k not of the form ij for 1 <= {i, j} <= n.

Table of values

n a(n)
1 0
2 1
3 3
4 7
5 11
6 18
7 24
8 34
9 45
10 58
11 68
12 85
13 97
14 116
15 136
16 159
17 175
18 201
19 219
20 248
21 277
22 308
23 330
24 367
25 400
26 437
27 475
28 517
29 545
30 592
31 622
32 670
33 717
34 766
35 815
36 873
37 909
38 964
39 1020
40 1083
41 1123
42 1189
43 1231
44 1298
45 1366
46 1433
47 1479
48 1557
49 1623
50 1700
51 1774
52 1854

List of values

[0, 1, 3, 7, 11, 18, 24, 34, 45, 58, 68, 85, 97, 116, 136, 159, 175, 201, 219, 248, 277, 308, 330, 367, 400, 437, 475, 517, 545, 592, 622, 670, 717, 766, 815, 873, 909, 964, 1020, 1083, 1123, 1189, 1231, 1298, 1366, 1433, 1479, 1557, 1623, 1700, 1774, 1854]