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.

A243284 a(n) = the number of distinct ways of writing such products m = k^2 * j, 0 < j <= k, (j and k natural numbers) that m is in range [1,n]; Partial sums of A102354.

Table of values

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

List of values

[1, 1, 1, 2, 2, 2, 2, 3, 4, 4, 4, 4, 4, 4, 4, 5, 5, 6, 6, 6, 6, 6, 6, 6, 7, 7, 8, 8, 8, 8, 8, 9, 9, 9, 9, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 11, 12, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 15, 15, 15, 15, 15, 15, 15, 15, 16, 16, 16, 17]