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.

A341481 Number of ways to write n as an ordered sum of 4 nonprime numbers.

Table of values

n a(n)
4 1
5 0
6 0
7 4
8 0
9 4
10 6
11 4
12 16
13 8
14 18
15 28
16 25
17 40
18 50
19 56
20 76
21 92
22 98
23 136
24 147
25 176
26 212
27 240
28 272
29 328
30 352
31 420
32 471
33 524
34 592
35 668
36 747
37 808
38 938
39 996
40 1127
41 1232
42 1354
43 1456
44 1658
45 1720
46 1966
47 2052
48 2279
49 2408
50 2700
51 2772
52 3144
53 3232
54 3568
55 3740
56 4117
57 4228
58 4722

List of values

[1, 0, 0, 4, 0, 4, 6, 4, 16, 8, 18, 28, 25, 40, 50, 56, 76, 92, 98, 136, 147, 176, 212, 240, 272, 328, 352, 420, 471, 524, 592, 668, 747, 808, 938, 996, 1127, 1232, 1354, 1456, 1658, 1720, 1966, 2052, 2279, 2408, 2700, 2772, 3144, 3232, 3568, 3740, 4117, 4228, 4722]

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

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