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.

A022902 Number of solutions to c(1)*prime(3)+...+c(n)*prime(n+2) = 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 1
7 0
8 1
9 0
10 5
11 0
12 18
13 0
14 59
15 0
16 180
17 0
18 576
19 0
20 1993
21 0
22 6864
23 0
24 23804
25 0
26 83796
27 0
28 300913
29 0
30 1066508
31 0
32 3831226
33 0
34 13815422
35 0
36 50187328
37 0
38 183452325
39 0
40 674196751
41 0
42 2485443437
43 0
44 9232423194
45 0
46 34201130579
47 0
48 127197104929
49 0

List of values

[0, 0, 0, 0, 0, 1, 0, 1, 0, 5, 0, 18, 0, 59, 0, 180, 0, 576, 0, 1993, 0, 6864, 0, 23804, 0, 83796, 0, 300913, 0, 1066508, 0, 3831226, 0, 13815422, 0, 50187328, 0, 183452325, 0, 674196751, 0, 2485443437, 0, 9232423194, 0, 34201130579, 0, 127197104929, 0]

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

Content is available under The OEIS End-User License Agreement.