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.

A139544 Numbers which are not the difference of two squares of positive integers.

Table of values

n a(n)
1 1
2 2
3 4
4 6
5 10
6 14
7 18
8 22
9 26
10 30
11 34
12 38
13 42
14 46
15 50
16 54
17 58
18 62
19 66
20 70
21 74
22 78
23 82
24 86
25 90
26 94
27 98
28 102
29 106
30 110
31 114
32 118
33 122
34 126
35 130
36 134
37 138
38 142
39 146
40 150
41 154
42 158
43 162
44 166
45 170
46 174
47 178
48 182
49 186
50 190
51 194
52 198
53 202
54 206
55 210
56 214
57 218
58 222
59 226
60 230

List of values

[1, 2, 4, 6, 10, 14, 18, 22, 26, 30, 34, 38, 42, 46, 50, 54, 58, 62, 66, 70, 74, 78, 82, 86, 90, 94, 98, 102, 106, 110, 114, 118, 122, 126, 130, 134, 138, 142, 146, 150, 154, 158, 162, 166, 170, 174, 178, 182, 186, 190, 194, 198, 202, 206, 210, 214, 218, 222, 226, 230]

Started in 1964 by Neil J. A. Sloane | Maintained by The OEIS Foundation Inc.

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