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.

A078808 Triangular array T given by T(n,k) = number of 01-words of length n having exactly k 1's, all runlengths odd and first letter 1.

Table of values

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

List of values

[0, 0, 1, 0, 1, 0, 0, 0, 1, 1, 0, 1, 1, 1, 0, 0, 0, 1, 1, 2, 1, 0, 1, 2, 2, 2, 1, 0, 0, 0, 1, 2, 3, 3, 3, 1, 0, 1, 3, 4, 5, 4, 3, 1, 0, 0, 0, 1, 3, 5, 7, 7, 6, 4, 1, 0, 1, 4, 7, 10, 11, 10, 7, 4, 1, 0, 0, 0, 1, 4, 8, 13, 16, 17, 14, 10, 5, 1, 0, 1, 5, 11, 18, 24, 26, 24, 18, 11, 5, 1, 0, 0, 0, 1, 5, 12]