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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.

A262304 Tail of sequence of lower halves of n: repeatedly apply x->floor(x/2) starting at n until reach one of 2,3,4; a(n) = whichever of 2,3,4 is reached.

Table of values

n a(n)
2 2
3 3
4 4
5 2
6 3
7 3
8 4
9 4
10 2
11 2
12 3
13 3
14 3
15 3
16 4
17 4
18 4
19 4
20 2
21 2
22 2
23 2
24 3
25 3
26 3
27 3
28 3
29 3
30 3
31 3
32 4
33 4
34 4
35 4
36 4
37 4
38 4
39 4
40 2
41 2
42 2
43 2
44 2
45 2
46 2
47 2
48 3
49 3
50 3
51 3
52 3
53 3
54 3
55 3
56 3
57 3
58 3
59 3
60 3
61 3
62 3
63 3
64 4
65 4
66 4
67 4
68 4
69 4
70 4
71 4
72 4
73 4
74 4
75 4
76 4
77 4
78 4
79 4
80 2
81 2
82 2
83 2
84 2
85 2
86 2
87 2
88 2

List of values

[2, 3, 4, 2, 3, 3, 4, 4, 2, 2, 3, 3, 3, 3, 4, 4, 4, 4, 2, 2, 2, 2, 3, 3, 3, 3, 3, 3, 3, 3, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2]

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