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.

A151905 a(0) = a(2) = 0, a(1) = 1; for n >= 3, n = 3*2^k+j, 0 <= j < 3*2^k, a(n) = A151904(j).

Table of values

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

List of values

[0, 1, 0, 0, 0, 1, 0, 0, 1, 1, 1, 4, 0, 0, 1, 1, 1, 4, 1, 1, 4, 4, 4, 13, 0, 0, 1, 1, 1, 4, 1, 1, 4, 4, 4, 13, 1, 1, 4, 4, 4, 13, 4, 4, 13, 13, 13, 40, 0, 0, 1, 1, 1, 4, 1, 1, 4, 4, 4, 13, 1, 1, 4, 4, 4, 13, 4, 4, 13, 13, 13, 40, 1, 1, 4, 4, 4, 13, 4, 4, 13, 13, 13, 40, 4, 4, 13, 13, 13, 40, 13]