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.

A318440 a(n) = A046645(n) - A007814(n); the 2-adic valuation of A299150.

Table of values

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

List of values

[0, 0, 1, 1, 1, 1, 1, 1, 3, 1, 1, 2, 1, 1, 2, 3, 1, 3, 1, 2, 2, 1, 1, 2, 3, 1, 4, 2, 1, 2, 1, 3, 2, 1, 2, 4, 1, 1, 2, 2, 1, 2, 1, 2, 4, 1, 1, 4, 3, 3, 2, 2, 1, 4, 2, 2, 2, 1, 1, 3, 1, 1, 4, 4, 2, 2, 1, 2, 2, 2, 1, 4, 1, 1, 4, 2, 2, 2, 1, 4, 7, 1, 1, 3, 2, 1, 2, 2, 1, 4, 2, 2, 2, 1, 2, 4, 1, 3, 4, 4, 1, 2, 1, 2, 3]