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.

A187839 Rank transform of the sequence floor(n*sqrt(2)-1/2); complement of A187840.

Table of values

n a(n)
1 1
2 3
3 4
4 7
5 8
6 9
7 12
8 14
9 15
10 17
11 19
12 21
13 22
14 24
15 26
16 28
17 30
18 31
19 33
20 35
21 37
22 38
23 41
24 42
25 44
26 46
27 47
28 50
29 51
30 52
31 55
32 56
33 58
34 60
35 62
36 63
37 65
38 68
39 69
40 71
41 73
42 74
43 76
44 78
45 80
46 82
47 83
48 85
49 86
50 89
51 90
52 92
53 94
54 96
55 98
56 99
57 101
58 103
59 104
60 107
61 108
62 111
63 112
64 114
65 116
66 117
67 119
68 121
69 123
70 124
71 126
72 128
73 130
74 132
75 134
76 135
77 137
78 139
79 140
80 142
81 144
82 146

List of values

[1, 3, 4, 7, 8, 9, 12, 14, 15, 17, 19, 21, 22, 24, 26, 28, 30, 31, 33, 35, 37, 38, 41, 42, 44, 46, 47, 50, 51, 52, 55, 56, 58, 60, 62, 63, 65, 68, 69, 71, 73, 74, 76, 78, 80, 82, 83, 85, 86, 89, 90, 92, 94, 96, 98, 99, 101, 103, 104, 107, 108, 111, 112, 114, 116, 117, 119, 121, 123, 124, 126, 128, 130, 132, 134, 135, 137, 139, 140, 142, 144, 146]