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.

A215495 a(4*n) = a(4*n+2) = a(2*n+1) = 2*n + 1.

Table of values

n a(n)
0 1
1 1
2 1
3 3
4 3
5 5
6 3
7 7
8 5
9 9
10 5
11 11
12 7
13 13
14 7
15 15
16 9
17 17
18 9
19 19
20 11
21 21
22 11
23 23
24 13
25 25
26 13
27 27
28 15
29 29
30 15
31 31
32 17
33 33
34 17
35 35
36 19
37 37
38 19
39 39
40 21
41 41
42 21
43 43
44 23
45 45
46 23
47 47
48 25
49 49
50 25
51 51
52 27
53 53
54 27
55 55
56 29
57 57
58 29
59 59
60 31
61 61
62 31
63 63
64 33
65 65
66 33
67 67
68 35
69 69
70 35
71 71
72 37
73 73
74 37
75 75
76 39
77 77
78 39
79 79
80 41
81 81
82 41
83 83
84 43
85 85
86 43

List of values

[1, 1, 1, 3, 3, 5, 3, 7, 5, 9, 5, 11, 7, 13, 7, 15, 9, 17, 9, 19, 11, 21, 11, 23, 13, 25, 13, 27, 15, 29, 15, 31, 17, 33, 17, 35, 19, 37, 19, 39, 21, 41, 21, 43, 23, 45, 23, 47, 25, 49, 25, 51, 27, 53, 27, 55, 29, 57, 29, 59, 31, 61, 31, 63, 33, 65, 33, 67, 35, 69, 35, 71, 37, 73, 37, 75, 39, 77, 39, 79, 41, 81, 41, 83, 43, 85, 43]