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.

A307446 First coordinate of a contiguous path on the odd-numbered points of a square lattice leading to a distance-limited bijection with the even-numbered points of a square lattice rotated by Pi/6 around the common point (0,0). A307447 gives the second coordinate.

Table of values

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

List of values

[1, 3, 3, 3, 5, 7, 7, 9, 11, 11, 11, 13, 13, 13, 11, 9, 9, 9, 11, 11, 11, 13, 15, 15, 17, 19, 19, 19, 21, 23, 23, 25, 27, 27, 27, 25, 25, 25, 27, 29, 29, 31, 33, 33, 33, 35, 37, 37, 39, 41, 41, 41, 43, 43, 43, 41, 39, 39, 39, 41, 41, 41, 43, 45, 45, 47, 49, 49]

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

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