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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.

A145051 Numerator of the first convergent to sqrt(n) using the recursion x = (n/x + x)/2.

Table of values

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

List of values

[1, 3, 2, 5, 3, 7, 4, 9, 5, 11, 6, 13, 7, 15, 8, 17, 9, 19, 10, 21, 11, 23, 12, 25, 13, 27, 14, 29, 15, 31, 16, 33, 17, 35, 18, 37, 19, 39, 20, 41, 21, 43, 22, 45, 23, 47, 24, 49, 25, 51, 26, 53, 27, 55, 28, 57, 29, 59, 30, 61, 31, 63, 32, 65, 33, 67, 34, 69, 35, 71, 36, 73, 37, 75]

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

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