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.

A022904 Number of solutions to c(1)*prime(4) + ... + c(n)*prime(n+3) = 1, 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 3
8 0
9 1
10 0
11 6
12 0
13 32
14 0
15 110
16 0
17 252
18 0
19 1139
20 0
21 3127
22 0
23 12743
24 0
25 39767
26 0
27 156376
28 0
29 517381
30 0
31 1870169
32 0
33 6786580
34 0
35 25420402
36 0
37 90815872
38 0
39 334621081
40 0
41 1235976769
42 0
43 4597232973
44 0
45 17047065235
46 0
47 63450750049
48 0
49 238163814619
50 0

List of values

[0, 0, 0, 0, 0, 0, 3, 0, 1, 0, 6, 0, 32, 0, 110, 0, 252, 0, 1139, 0, 3127, 0, 12743, 0, 39767, 0, 156376, 0, 517381, 0, 1870169, 0, 6786580, 0, 25420402, 0, 90815872, 0, 334621081, 0, 1235976769, 0, 4597232973, 0, 17047065235, 0, 63450750049, 0, 238163814619, 0]

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

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