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.

A195608 Numbers n such that Sum_{i=1..n} A(i) = A(n)*A(n+1)/4, where A(n) = A001969(n).

Table of values

n a(n)
1 1
2 7
3 11
4 12
5 13
6 19
7 20
8 21
9 25
10 31
11 35
12 36
13 37
14 41
15 47
16 48
17 49
18 55
19 59
20 60
21 61
22 67
23 68
24 69
25 73
26 79
27 80
28 81
29 87
30 91
31 92
32 93
33 97
34 103
35 107
36 108
37 109
38 115
39 116
40 117
41 121
42 127
43 131
44 132
45 133
46 137
47 143
48 144
49 145
50 151
51 155
52 156
53 157
54 161
55 167
56 171
57 172
58 173
59 179

List of values

[1, 7, 11, 12, 13, 19, 20, 21, 25, 31, 35, 36, 37, 41, 47, 48, 49, 55, 59, 60, 61, 67, 68, 69, 73, 79, 80, 81, 87, 91, 92, 93, 97, 103, 107, 108, 109, 115, 116, 117, 121, 127, 131, 132, 133, 137, 143, 144, 145, 151, 155, 156, 157, 161, 167, 171, 172, 173, 179]