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.

A022920 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 1
9 0
10 7
11 0
12 12
13 0
14 61
15 0
16 131
17 0
18 472
19 0
20 2039
21 0
22 5924
23 0
24 21095
25 0
26 76058
27 0
28 274023
29 0
30 1032989
31 0
32 3694643
33 0
34 12987172
35 0
36 48417270
37 0
38 174274092
39 0
40 642785629
41 0
42 2402825962
43 0
44 8918414212
45 0
46 32868915523
47 0
48 123145191037
49 0

List of values

[0, 0, 0, 0, 0, 0, 0, 1, 0, 7, 0, 12, 0, 61, 0, 131, 0, 472, 0, 2039, 0, 5924, 0, 21095, 0, 76058, 0, 274023, 0, 1032989, 0, 3694643, 0, 12987172, 0, 48417270, 0, 174274092, 0, 642785629, 0, 2402825962, 0, 8918414212, 0, 32868915523, 0, 123145191037, 0]

Started in 1964 by Neil J. A. Sloane | Maintained by The OEIS Foundation Inc.

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