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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.

A195119 a(n) = 2*n - floor(n*sqrt(2)).

Table of values

n a(n)
0 0
1 1
2 2
3 2
4 3
5 3
6 4
7 5
8 5
9 6
10 6
11 7
12 8
13 8
14 9
15 9
16 10
17 10
18 11
19 12
20 12
21 13
22 13
23 14
24 15
25 15
26 16
27 16
28 17
29 17
30 18
31 19
32 19
33 20
34 20
35 21
36 22
37 22
38 23
39 23
40 24
41 25
42 25
43 26
44 26
45 27
46 27
47 28
48 29
49 29
50 30
51 30
52 31
53 32
54 32
55 33
56 33
57 34
58 34
59 35
60 36
61 36
62 37
63 37
64 38
65 39
66 39
67 40
68 40
69 41
70 42
71 42

List of values

[0, 1, 2, 2, 3, 3, 4, 5, 5, 6, 6, 7, 8, 8, 9, 9, 10, 10, 11, 12, 12, 13, 13, 14, 15, 15, 16, 16, 17, 17, 18, 19, 19, 20, 20, 21, 22, 22, 23, 23, 24, 25, 25, 26, 26, 27, 27, 28, 29, 29, 30, 30, 31, 32, 32, 33, 33, 34, 34, 35, 36, 36, 37, 37, 38, 39, 39, 40, 40, 41, 42, 42]

Started in 1964 by Neil J. A. Sloane | Maintained by The OEIS Foundation Inc.

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