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.

A240600 Number of partially filled hexagons in the first 120-degree circular sector of hexagonal lattice A_2 centered at deep hole along the edge of a circle also centered at the deep hole.

Table of values

n a(n)
0 0
1 1
2 1
3 2
4 2
5 4
6 3
7 3
8 3
9 5
10 4
11 5
12 5
13 7
14 5
15 5
16 5
17 6
18 6
19 8
20 6
21 8
22 7
23 7
24 7
25 9
26 7
27 7
28 7
29 9
30 8
31 9
32 9
33 11
34 9
35 11
36 9
37 9
38 9
39 11
40 9
41 10
42 10
43 12
44 10
45 12
46 12
47 14
48 12
49 14
50 13
51 13
52 11
53 11
54 11
55 13
56 13
57 15
58 13
59 13
60 13
61 15
62 14

List of values

[0, 1, 1, 2, 2, 4, 3, 3, 3, 5, 4, 5, 5, 7, 5, 5, 5, 6, 6, 8, 6, 8, 7, 7, 7, 9, 7, 7, 7, 9, 8, 9, 9, 11, 9, 11, 9, 9, 9, 11, 9, 10, 10, 12, 10, 12, 12, 14, 12, 14, 13, 13, 11, 11, 11, 13, 13, 15, 13, 13, 13, 15, 14]