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.

A276669 Triangle read by rows T(n,k) in which row n lists the first 2n-1 nonnegative integers representing 2n-1 equidistant points labeled in counterclockwise direction around a circle, with the 0th point at the top and reading them from left to right.

Table of values

n a(n)
1 0
2 1
3 0
4 2
5 1
6 2
7 0
8 3
9 4
10 2
11 1
12 3
13 0
14 4
15 6
16 5
17 2
18 3
19 1
20 4
21 0
22 5
23 8
24 6
25 7
26 3
27 2
28 4
29 1
30 5
31 0
32 6
33 10
34 7
35 9
36 8
37 3
38 4
39 2
40 5
41 1
42 6
43 0
44 7
45 12
46 8
47 11
48 9
49 10
50 4
51 3
52 5
53 2
54 6
55 1
56 7
57 0
58 8
59 14
60 9
61 13
62 10
63 12
64 11
65 4
66 5
67 3
68 6
69 2
70 7
71 1
72 8
73 0
74 9
75 16
76 10
77 15
78 11
79 14
80 12
81 13
82 5
83 4
84 6
85 3
86 7
87 2
88 8
89 1
90 9
91 0
92 10
93 18
94 11
95 17
96 12
97 16
98 13
99 15
100 14

List of values

[0, 1, 0, 2, 1, 2, 0, 3, 4, 2, 1, 3, 0, 4, 6, 5, 2, 3, 1, 4, 0, 5, 8, 6, 7, 3, 2, 4, 1, 5, 0, 6, 10, 7, 9, 8, 3, 4, 2, 5, 1, 6, 0, 7, 12, 8, 11, 9, 10, 4, 3, 5, 2, 6, 1, 7, 0, 8, 14, 9, 13, 10, 12, 11, 4, 5, 3, 6, 2, 7, 1, 8, 0, 9, 16, 10, 15, 11, 14, 12, 13, 5, 4, 6, 3, 7, 2, 8, 1, 9, 0, 10, 18, 11, 17, 12, 16, 13, 15, 14]