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.

A073700 a(1) = 1, a(n) = Floor[(Sum of composite numbers up to n)/(Sum of primes up to n)].

Table of values

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

List of values

[1, 0, 0, 0, 0, 1, 0, 1, 1, 2, 1, 1, 1, 1, 1, 2, 1, 1, 1, 1, 1, 2, 1, 1, 2, 2, 2, 3, 2, 2, 2, 2, 2, 2, 2, 3, 2, 2, 2, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 3, 3, 2, 2, 3, 3, 3, 3, 3, 3, 2, 2, 3, 3, 3, 3, 3, 3, 3, 3, 2, 3, 2, 2, 3, 3, 3, 3, 2, 3, 3, 3, 2, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3]