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.

A089313 Write n in binary; a(n) = number represented by second block of 1's from the right.

Table of values

n a(n)
0 0
1 0
2 0
3 0
4 0
5 1
6 0
7 0
8 0
9 1
10 1
11 1
12 0
13 3
14 0
15 0
16 0
17 1
18 1
19 1
20 1
21 1
22 1
23 1
24 0
25 3
26 3
27 3
28 0
29 7
30 0
31 0
32 0
33 1
34 1
35 1
36 1
37 1
38 1
39 1
40 1
41 1
42 1
43 1
44 1
45 3
46 1
47 1
48 0
49 3
50 3
51 3
52 3
53 1
54 3
55 3
56 0
57 7
58 7
59 7
60 0
61 15
62 0
63 0
64 0
65 1
66 1
67 1
68 1
69 1
70 1
71 1
72 1
73 1
74 1
75 1
76 1
77 3
78 1
79 1
80 1
81 1
82 1
83 1
84 1
85 1
86 1
87 1
88 1
89 3
90 3
91 3
92 1
93 7
94 1
95 1
96 0
97 3
98 3
99 3
100 3
101 1
102 3
103 3
104 3
105 1
106 1
107 1
108 3
109 3
110 3
111 3
112 0
113 7
114 7
115 7
116 7
117 1
118 7
119 7
120 0

List of values

[0, 0, 0, 0, 0, 1, 0, 0, 0, 1, 1, 1, 0, 3, 0, 0, 0, 1, 1, 1, 1, 1, 1, 1, 0, 3, 3, 3, 0, 7, 0, 0, 0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 3, 1, 1, 0, 3, 3, 3, 3, 1, 3, 3, 0, 7, 7, 7, 0, 15, 0, 0, 0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 3, 3, 3, 1, 7, 1, 1, 0, 3, 3, 3, 3, 1, 3, 3, 3, 1, 1, 1, 3, 3, 3, 3, 0, 7, 7, 7, 7, 1, 7, 7, 0]