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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.

A046595 Denominators of the 1/4-Pascal triangle (by row), excluding 1's.

Table of values

n a(n)
1 4
2 4
3 4
4 4
5 2
6 4
7 4
8 4
9 4
10 4
11 4
12 2
13 4
14 4
15 4
16 2
17 2
18 4
19 4
20 4
21 2
22 4
23 4
24 2
25 4
26 4
27 4
28 4
29 4
30 4
31 4
32 4
33 4
34 4
35 2
36 4
37 4
38 4
39 2
40 2
41 4
42 4
43 4
44 2
45 4
46 2
47 2
48 4
49 2
50 4
51 4
52 4
53 4
54 4
55 2
56 2
57 2
58 2
59 4
60 4
61 4
62 4
63 4
64 2
65 4
66 4
67 2
68 4
69 4
70 4
71 2
72 2
73 4
74 4
75 4
76 4
77 2
78 2
79 4
80 4
81 4
82 2
83 4
84 4
85 2
86 4
87 4
88 2
89 4
90 4
91 2
92 4
93 4
94 4
95 4
96 4
97 4
98 4
99 4
100 4
101 4
102 4
103 4
104 4
105 4

List of values

[4, 4, 4, 4, 2, 4, 4, 4, 4, 4, 4, 2, 4, 4, 4, 2, 2, 4, 4, 4, 2, 4, 4, 2, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 4, 4, 4, 2, 2, 4, 4, 4, 2, 4, 2, 2, 4, 2, 4, 4, 4, 4, 4, 2, 2, 2, 2, 4, 4, 4, 4, 4, 2, 4, 4, 2, 4, 4, 4, 2, 2, 4, 4, 4, 4, 2, 2, 4, 4, 4, 2, 4, 4, 2, 4, 4, 2, 4, 4, 2, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4]