cp's OEIS Frontend

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.

A330569 a(n) = 1 if n is odd, otherwise a(n) = 2^(v-1)+1 where v is the 2-adic valuation of n (A007814(n)).

Table of values

n a(n)
1 1
2 2
3 1
4 3
5 1
6 2
7 1
8 5
9 1
10 2
11 1
12 3
13 1
14 2
15 1
16 9
17 1
18 2
19 1
20 3
21 1
22 2
23 1
24 5
25 1
26 2
27 1
28 3
29 1
30 2
31 1
32 17
33 1
34 2
35 1
36 3
37 1
38 2
39 1
40 5
41 1
42 2
43 1
44 3
45 1
46 2
47 1
48 9
49 1
50 2
51 1
52 3
53 1
54 2
55 1
56 5
57 1
58 2
59 1
60 3
61 1
62 2
63 1
64 33
65 1
66 2
67 1
68 3
69 1
70 2
71 1
72 5
73 1
74 2
75 1
76 3
77 1
78 2
79 1
80 9
81 1
82 2
83 1
84 3
85 1

List of values

[1, 2, 1, 3, 1, 2, 1, 5, 1, 2, 1, 3, 1, 2, 1, 9, 1, 2, 1, 3, 1, 2, 1, 5, 1, 2, 1, 3, 1, 2, 1, 17, 1, 2, 1, 3, 1, 2, 1, 5, 1, 2, 1, 3, 1, 2, 1, 9, 1, 2, 1, 3, 1, 2, 1, 5, 1, 2, 1, 3, 1, 2, 1, 33, 1, 2, 1, 3, 1, 2, 1, 5, 1, 2, 1, 3, 1, 2, 1, 9, 1, 2, 1, 3, 1]

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

Content is available under The OEIS End-User License Agreement.