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.

A071010 Sigma(k)/4 when k is not a sum of 2 squares.

Table of values

n a(n)
1 1
2 3
3 2
4 3
5 7
6 6
7 6
8 5
9 8
10 9
11 6
12 15
13 10
14 14
15 18
16 8
17 12
18 12
19 15
20 14
21 24
22 11
23 21
24 18
25 12
26 31
27 18
28 30
29 18
30 30
31 20
32 15
33 42
34 24
35 26
36 36
37 17
38 24
39 36
40 18
41 31
42 35
43 24
44 42
45 20
46 21
47 56
48 33
49 30
50 45
51 28
52 42
53 32
54 36
55 30
56 63
57 39
58 54
59 26
60 48
61 27
62 70
63 54
64 38
65 62
66 60
67 36
68 45
69 36
70 90
71 42
72 56
73 78

List of values

[1, 3, 2, 3, 7, 6, 6, 5, 8, 9, 6, 15, 10, 14, 18, 8, 12, 12, 15, 14, 24, 11, 21, 18, 12, 31, 18, 30, 18, 30, 20, 15, 42, 24, 26, 36, 17, 24, 36, 18, 31, 35, 24, 42, 20, 21, 56, 33, 30, 45, 28, 42, 32, 36, 30, 63, 39, 54, 26, 48, 27, 70, 54, 38, 62, 60, 36, 45, 36, 90, 42, 56, 78]

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

Content is available under The OEIS End-User License Agreement.