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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.

A261132 Number of ways to write n as the sum u+v+w of three palindromes (from A002113) with 0 <= u <= v <= w.

Table of values

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

List of values

[1, 1, 2, 3, 4, 5, 7, 8, 10, 12, 13, 15, 16, 17, 17, 18, 17, 17, 16, 15, 13, 12, 11, 10, 9, 8, 7, 7, 6, 6, 6, 6, 5, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 5, 9, 7, 7, 7, 7, 7, 7, 7, 7, 7, 5, 11, 8, 8, 8, 8, 8, 8, 8, 8, 8, 5, 12, 8, 8, 8]

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