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.

A076258 a(n) = 2 * Sum_{k=1..n} A076213(k) - n.

Table of values

n a(n)
1 1
2 2
3 1
4 2
5 3
6 4
7 3
8 4
9 3
10 4
11 3
12 4
13 3
14 4
15 3
16 4
17 5
18 6
19 5
20 6
21 5
22 4
23 5
24 4
25 5
26 4
27 5
28 4
29 5
30 4
31 5
32 6
33 7
34 6
35 7
36 6
37 5
38 6
39 5
40 6
41 5
42 6
43 5
44 6
45 5
46 6
47 5
48 6
49 5
50 6
51 5
52 6
53 5
54 6
55 5
56 6
57 5
58 6
59 5
60 6
61 5
62 6
63 5
64 6
65 7
66 8
67 7
68 8
69 7
70 8
71 7
72 8
73 7
74 8
75 7
76 6
77 7
78 6
79 7
80 6
81 7
82 6
83 7
84 6
85 7
86 6
87 7
88 6
89 7
90 6
91 7
92 6
93 7
94 6
95 7
96 6
97 7
98 6
99 7
100 8
101 9
102 8
103 9
104 8
105 9

List of values

[1, 2, 1, 2, 3, 4, 3, 4, 3, 4, 3, 4, 3, 4, 3, 4, 5, 6, 5, 6, 5, 4, 5, 4, 5, 4, 5, 4, 5, 4, 5, 6, 7, 6, 7, 6, 5, 6, 5, 6, 5, 6, 5, 6, 5, 6, 5, 6, 5, 6, 5, 6, 5, 6, 5, 6, 5, 6, 5, 6, 5, 6, 5, 6, 7, 8, 7, 8, 7, 8, 7, 8, 7, 8, 7, 6, 7, 6, 7, 6, 7, 6, 7, 6, 7, 6, 7, 6, 7, 6, 7, 6, 7, 6, 7, 6, 7, 6, 7, 8, 9, 8, 9, 8, 9]