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.

A231201 Number of ways to write n = x + y (x, y > 0) with 2^x + y prime.

Table of values

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

List of values

[0, 1, 1, 1, 2, 2, 1, 1, 3, 3, 2, 2, 1, 2, 4, 4, 4, 5, 3, 2, 4, 1, 2, 1, 4, 4, 4, 2, 3, 4, 4, 4, 3, 2, 5, 4, 4, 4, 3, 5, 4, 5, 3, 4, 7, 6, 5, 2, 5, 3, 5, 7, 1, 3, 5, 5, 4, 6, 5, 4, 4, 5, 3, 1, 4, 7, 6, 5, 5, 4, 5, 7, 4, 5, 3, 5, 6, 8, 3, 4, 4, 6, 3, 5, 2, 2, 3, 6, 6, 4, 5, 6, 5, 5, 8, 6, 4, 7, 5, 4]