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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.

A181111 'ADP(n,k)' triangle read by rows. ADP(n,k) is the number of aperiodic k-double-palindromes of n.

Table of values

n a(n)
1 0
2 0
3 0
4 0
5 2
6 0
7 0
8 2
9 2
10 0
11 0
12 4
13 4
14 4
15 0
16 0
17 4
18 2
19 6
20 4
21 0
22 0
23 6
24 6
25 12
26 12
27 6
28 0
29 0
30 6
31 6
32 14
33 12
34 16
35 6
36 0
37 0
38 8
39 6
40 24
41 24
42 18
43 24
44 8
45 0
46 0
47 8
48 8
49 28
50 20
51 44
52 24
53 28
54 8
55 0
56 0
57 10
58 10
59 40
60 40
61 60
62 60
63 40
64 40
65 10
66 0
67 0
68 10
69 8
70 44
71 40
72 94
73 60
74 88
75 32
76 46
77 10
78 0

List of values

[0, 0, 0, 0, 2, 0, 0, 2, 2, 0, 0, 4, 4, 4, 0, 0, 4, 2, 6, 4, 0, 0, 6, 6, 12, 12, 6, 0, 0, 6, 6, 14, 12, 16, 6, 0, 0, 8, 6, 24, 24, 18, 24, 8, 0, 0, 8, 8, 28, 20, 44, 24, 28, 8, 0, 0, 10, 10, 40, 40, 60, 60, 40, 40, 10, 0, 0, 10, 8, 44, 40, 94, 60, 88, 32, 46, 10, 0]

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