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.

A022900 Number of solutions to c(1)*prime(3) + ... + c(n)*prime(n+2) = 0, 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 1
9 0
10 8
11 0
12 22
13 0
14 42
15 0
16 147
17 0
18 663
19 0
20 1803
21 0
22 7410
23 0
24 22463
25 0
26 87397
27 0
28 291211
29 0
30 1091736
31 0
32 3896012
33 0
34 13992225
35 0
36 49681944
37 0
38 184771042
39 0
40 677854904
41 0
42 2495656379
43 0
44 9260633829
45 0
46 34281074654
47 0
48 127420198855
49 0

List of values

[0, 0, 0, 1, 0, 1, 0, 1, 0, 8, 0, 22, 0, 42, 0, 147, 0, 663, 0, 1803, 0, 7410, 0, 22463, 0, 87397, 0, 291211, 0, 1091736, 0, 3896012, 0, 13992225, 0, 49681944, 0, 184771042, 0, 677854904, 0, 2495656379, 0, 9260633829, 0, 34281074654, 0, 127420198855, 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.