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.

A091087 a(n) = floor(r*n) + floor(n/r), where r=sqrt(2).

Table of values

n a(n)
0 0
1 1
2 3
3 6
4 7
5 10
6 12
7 13
8 16
9 18
10 21
11 22
12 24
13 27
14 28
15 31
16 33
17 36
18 37
19 39
20 42
21 43
22 46
23 48
24 49
25 52
26 54
27 57
28 58
29 61
30 63
31 64
32 67
33 69
34 72
35 73
36 75
37 78
38 79
39 82
40 84
41 85
42 88
43 90
44 93
45 94
46 97
47 99
48 100
49 103
50 105
51 108
52 109
53 111
54 114
55 115
56 118
57 120
58 123
59 124
60 126
61 129
62 130
63 133
64 135

List of values

[0, 1, 3, 6, 7, 10, 12, 13, 16, 18, 21, 22, 24, 27, 28, 31, 33, 36, 37, 39, 42, 43, 46, 48, 49, 52, 54, 57, 58, 61, 63, 64, 67, 69, 72, 73, 75, 78, 79, 82, 84, 85, 88, 90, 93, 94, 97, 99, 100, 103, 105, 108, 109, 111, 114, 115, 118, 120, 123, 124, 126, 129, 130, 133, 135]