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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.

A261422 Number of ordered triples (u,v,w) of palindromes such that u+v+w=n.

Table of values

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

List of values

[1, 3, 6, 10, 15, 21, 28, 36, 45, 55, 63, 72, 79, 84, 87, 88, 87, 84, 79, 72, 66, 55, 51, 45, 40, 36, 33, 31, 30, 30, 30, 33, 27, 34, 33, 33, 33, 33, 33, 33, 33, 33, 36, 27, 39, 36, 36, 36, 36, 36, 36, 36, 36, 39, 27, 45, 39, 39, 39, 39, 39, 39, 39, 39, 42, 27, 52, 42, 42, 42, 42, 42, 42, 42, 42, 45]

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

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