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.

A022895 Number of solutions to c(1)*prime(1) + ... + c(n)*prime(n) = 1, where c(i) = +-1 for i > 1, c(1) = 1.

Table of values

n a(n)
1 0
2 0
3 0
4 1
5 0
6 1
7 0
8 3
9 0
10 8
11 0
12 22
13 0
14 70
15 0
16 218
17 0
18 708
19 0
20 2354
21 0
22 8015
23 0
24 27561
25 0
26 95160
27 0
28 335579
29 0
30 1202236
31 0
32 4267477
33 0
34 15318171
35 0
36 55248419
37 0
38 200711050
39 0
40 733704990
41 0
42 2696599982
43 0
44 9941660942
45 0
46 36928370497
47 0
48 136801720627
49 0

List of values

[0, 0, 0, 1, 0, 1, 0, 3, 0, 8, 0, 22, 0, 70, 0, 218, 0, 708, 0, 2354, 0, 8015, 0, 27561, 0, 95160, 0, 335579, 0, 1202236, 0, 4267477, 0, 15318171, 0, 55248419, 0, 200711050, 0, 733704990, 0, 2696599982, 0, 9941660942, 0, 36928370497, 0, 136801720627, 0]