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.

A384225 Irregular triangle read by rows: T(n,k) is the number of odd divisors in the k-th 2-dense sublist of divisors of n, with n >= 1, k >= 1.

Table of values

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

List of values

[1, 1, 1, 1, 1, 1, 1, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 2, 1, 1, 1, 1, 1, 2, 1, 1, 1, 1, 3, 1, 1, 2, 1, 1, 1, 1, 1, 1, 1, 1, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 2, 1, 1, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 2, 1, 3, 1, 1, 1, 1, 1, 1, 1, 1, 2, 1, 1, 4, 1, 1, 1, 1, 1, 4, 1, 1, 1, 1, 1, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 4]