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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.

A303827 Number of ways of writing n as a sum of powers of 4, each power being used at most 5 times.

Table of values

n a(n)
0 1
1 1
2 1
3 1
4 2
5 2
6 1
7 1
8 2
9 2
10 1
11 1
12 2
13 2
14 1
15 1
16 3
17 3
18 2
19 2
20 4
21 4
22 2
23 2
24 3
25 3
26 1
27 1
28 2
29 2
30 1
31 1
32 3
33 3
34 2
35 2
36 4
37 4
38 2
39 2
40 3
41 3
42 1
43 1
44 2
45 2
46 1
47 1
48 3
49 3
50 2
51 2
52 4
53 4
54 2
55 2
56 3
57 3
58 1
59 1
60 2
61 2
62 1
63 1
64 4
65 4
66 3
67 3
68 6
69 6
70 3
71 3
72 5
73 5
74 2
75 2
76 4
77 4
78 2
79 2
80 6
81 6
82 4
83 4
84 8
85 8
86 4
87 4
88 6
89 6

List of values

[1, 1, 1, 1, 2, 2, 1, 1, 2, 2, 1, 1, 2, 2, 1, 1, 3, 3, 2, 2, 4, 4, 2, 2, 3, 3, 1, 1, 2, 2, 1, 1, 3, 3, 2, 2, 4, 4, 2, 2, 3, 3, 1, 1, 2, 2, 1, 1, 3, 3, 2, 2, 4, 4, 2, 2, 3, 3, 1, 1, 2, 2, 1, 1, 4, 4, 3, 3, 6, 6, 3, 3, 5, 5, 2, 2, 4, 4, 2, 2, 6, 6, 4, 4, 8, 8, 4, 4, 6, 6]

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