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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.

A194920 a(n) = n - floor(n/sqrt(2)).

Table of values

n a(n)
1 1
2 1
3 1
4 2
5 2
6 2
7 3
8 3
9 3
10 3
11 4
12 4
13 4
14 5
15 5
16 5
17 5
18 6
19 6
20 6
21 7
22 7
23 7
24 8
25 8
26 8
27 8
28 9
29 9
30 9
31 10
32 10
33 10
34 10
35 11
36 11
37 11
38 12
39 12
40 12
41 13
42 13
43 13
44 13
45 14
46 14
47 14
48 15
49 15
50 15
51 15
52 16
53 16
54 16
55 17
56 17
57 17
58 17
59 18
60 18
61 18
62 19
63 19
64 19
65 20
66 20
67 20
68 20
69 21
70 21
71 21
72 22
73 22
74 22
75 22
76 23

List of values

[1, 1, 1, 2, 2, 2, 3, 3, 3, 3, 4, 4, 4, 5, 5, 5, 5, 6, 6, 6, 7, 7, 7, 8, 8, 8, 8, 9, 9, 9, 10, 10, 10, 10, 11, 11, 11, 12, 12, 12, 13, 13, 13, 13, 14, 14, 14, 15, 15, 15, 15, 16, 16, 16, 17, 17, 17, 17, 18, 18, 18, 19, 19, 19, 20, 20, 20, 20, 21, 21, 21, 22, 22, 22, 22, 23]

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