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.

A183869 a(n) = n + floor(sqrt(4*n + 5)); complement of A004116.

Table of values

n a(n)
0 2
1 4
2 5
3 7
4 8
5 10
6 11
7 12
8 14
9 15
10 16
11 18
12 19
13 20
14 21
15 23
16 24
17 25
18 26
19 28
20 29
21 30
22 31
23 32
24 34
25 35
26 36
27 37
28 38
29 40
30 41
31 42
32 43
33 44
34 45
35 47
36 48
37 49
38 50
39 51
40 52
41 54
42 55
43 56
44 57
45 58
46 59
47 60
48 62
49 63
50 64
51 65
52 66
53 67
54 68
55 70
56 71
57 72
58 73
59 74
60 75
61 76
62 77
63 79
64 80
65 81
66 82
67 83
68 84
69 85
70 86
71 88
72 89
73 90
74 91
75 92
76 93
77 94
78 95
79 96
80 98
81 99
82 100
83 101
84 102
85 103
86 104
87 105
88 106
89 108
90 109
91 110
92 111
93 112
94 113
95 114
96 115
97 116
98 117
99 119
100 120

List of values

[2, 4, 5, 7, 8, 10, 11, 12, 14, 15, 16, 18, 19, 20, 21, 23, 24, 25, 26, 28, 29, 30, 31, 32, 34, 35, 36, 37, 38, 40, 41, 42, 43, 44, 45, 47, 48, 49, 50, 51, 52, 54, 55, 56, 57, 58, 59, 60, 62, 63, 64, 65, 66, 67, 68, 70, 71, 72, 73, 74, 75, 76, 77, 79, 80, 81, 82, 83, 84, 85, 86, 88, 89, 90, 91, 92, 93, 94, 95, 96, 98, 99, 100, 101, 102, 103, 104, 105, 106, 108, 109, 110, 111, 112, 113, 114, 115, 116, 117, 119, 120]