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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.

A261044 Number of solutions to c(1)*prime(4)+...+c(n)*prime(n+3) = -2, where c(i) = +-1 for i > 1, c(1) = 1.

Table of values

n a(n)
1 0
2 0
3 0
4 0
5 0
6 0
7 0
8 2
9 0
10 5
11 0
12 18
13 0
14 48
15 0
16 170
17 0
18 540
19 0
20 1868
21 0
22 6385
23 0
24 22247
25 0
26 79355
27 0
28 282754
29 0
30 1008714
31 0
32 3627599
33 0
34 13156851
35 0
36 47949883
37 0
38 175599692
39 0
40 646384942
41 0
42 2392644640
43 0
44 8890619925
45 0
46 32943781423
47 0
48 122928406923
49 0

List of values

[0, 0, 0, 0, 0, 0, 0, 2, 0, 5, 0, 18, 0, 48, 0, 170, 0, 540, 0, 1868, 0, 6385, 0, 22247, 0, 79355, 0, 282754, 0, 1008714, 0, 3627599, 0, 13156851, 0, 47949883, 0, 175599692, 0, 646384942, 0, 2392644640, 0, 8890619925, 0, 32943781423, 0, 122928406923, 0]

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