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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.

A384688 Runs of t in the range 0 <= t <= k and the same parity as k, for successive k >= 0.

Table of values

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

List of values

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

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