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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.

A152753 Last digit of even Catalan number A152670(n).

Table of values

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

List of values

[2, 4, 2, 2, 0, 2, 6, 6, 2, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 4, 2, 2, 4, 0, 8, 4, 8, 0, 4, 2, 2, 4, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 2, 6, 6, 2, 0, 4, 2, 2, 4, 0, 2, 6, 6, 2, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0]

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