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.

A245550 a(0)=0; for n >= 1, a(n) = f(n) - 2*f(floor((n-1)/2)), where f(n) = A006046(n).

Table of values

n a(n)
0 0
1 1
2 3
3 3
4 7
5 5
6 9
7 9
8 17
9 11
10 15
11 15
12 23
13 19
14 27
15 27
16 43
17 29
18 33
19 33
20 41
21 37
22 45
23 45
24 61
25 49
26 57
27 57
28 73
29 65
30 81
31 81
32 113
33 83
34 87
35 87
36 95
37 91
38 99
39 99
40 115
41 103
42 111
43 111
44 127
45 119
46 135
47 135
48 167
49 139
50 147
51 147
52 163
53 155
54 171
55 171
56 203
57 179
58 195
59 195
60 227
61 211
62 243
63 243
64 307
65 245
66 249
67 249
68 257

List of values

[0, 1, 3, 3, 7, 5, 9, 9, 17, 11, 15, 15, 23, 19, 27, 27, 43, 29, 33, 33, 41, 37, 45, 45, 61, 49, 57, 57, 73, 65, 81, 81, 113, 83, 87, 87, 95, 91, 99, 99, 115, 103, 111, 111, 127, 119, 135, 135, 167, 139, 147, 147, 163, 155, 171, 171, 203, 179, 195, 195, 227, 211, 243, 243, 307, 245, 249, 249, 257]