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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.

A080680 Integer part of the square root of the n-th prime of the form 4k+1.

Table of values

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

List of values

[2, 3, 4, 5, 6, 6, 7, 7, 8, 9, 9, 10, 10, 10, 11, 12, 12, 13, 13, 13, 14, 15, 15, 15, 16, 16, 16, 16, 17, 17, 17, 18, 18, 18, 19, 19, 19, 20, 20, 20, 20, 21, 21, 21, 22, 22, 23, 23, 23, 24, 24, 24, 24, 24, 25, 25, 25, 25, 26, 26, 26, 27, 27, 27, 27, 27, 28, 28, 28, 28, 29, 29, 29]

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

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