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.

A171911 Van Eck's sequence (cf. A181391), but starting with a(1) = 1.

Table of values

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

List of values

[1, 0, 0, 1, 3, 0, 3, 2, 0, 3, 3, 1, 8, 0, 5, 0, 2, 9, 0, 3, 9, 3, 2, 6, 0, 6, 2, 4, 0, 4, 2, 4, 2, 2, 1, 23, 0, 8, 25, 0, 3, 19, 0, 3, 3, 1, 11, 0, 5, 34, 0, 3, 7, 0, 3, 3, 1, 11, 11, 1, 3, 5, 13, 0, 10, 0, 2, 33, 0, 3, 9, 50, 0, 4, 42, 0, 3, 7, 25, 40, 0, 5, 20, 0, 3, 8, 48, 0, 4, 15]