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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.

A341191 Number of ways to write n as an ordered sum of 2 nonzero decimal palindromes.

Table of values

n a(n)
2 1
3 2
4 3
5 4
6 5
7 6
8 7
9 8
10 9
11 8
12 9
13 8
14 7
15 6
16 5
17 4
18 3
19 2
20 2
21 0
22 1
23 2
24 2
25 2
26 2
27 2
28 2
29 2
30 2
31 2
32 0
33 2
34 2
35 2
36 2
37 2
38 2
39 2
40 2
41 2
42 2
43 0
44 3
45 2
46 2
47 2
48 2
49 2
50 2
51 2
52 2
53 2
54 0
55 4
56 2
57 2
58 2
59 2
60 2
61 2
62 2
63 2
64 2
65 0
66 5
67 2
68 2
69 2
70 2
71 2
72 2
73 2
74 2
75 2
76 0
77 6
78 2
79 2
80 2
81 2
82 2
83 2
84 2
85 2
86 2
87 0
88 7
89 2
90 2

List of values

[1, 2, 3, 4, 5, 6, 7, 8, 9, 8, 9, 8, 7, 6, 5, 4, 3, 2, 2, 0, 1, 2, 2, 2, 2, 2, 2, 2, 2, 2, 0, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 0, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 0, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 0, 5, 2, 2, 2, 2, 2, 2, 2, 2, 2, 0, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 0, 7, 2, 2]

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