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A046593 First denominator and then numerator of each element of the 1/4-Pascal triangle (by row),excluding 1's and 2's.

Table of values

n a(n)
1 4
2 4
3 5
4 4
5 5
6 4
7 9
8 5
9 4
10 9
11 4
12 13
13 4
14 19
15 4
16 19
17 4
18 13
19 4
20 17
21 8
22 19
23 8
24 4
25 17
26 4
27 21
28 4
29 49
30 35
31 35
32 4
33 49
34 4
35 21
36 4
37 25
38 35
39 4
40 119
41 35
42 4
43 119
44 35
45 4
46 25
47 4
48 29
49 4
50 95
51 4
52 189
53 4
54 259
55 4
56 259
57 4
58 189
59 4
60 95
61 4
62 29
63 4
64 33
65 31
66 71
67 112
68 259
69 112
70 71
71 31
72 4
73 33
74 4
75 37
76 4
77 157
78 102

List of values

[4, 4, 5, 4, 5, 4, 9, 5, 4, 9, 4, 13, 4, 19, 4, 19, 4, 13, 4, 17, 8, 19, 8, 4, 17, 4, 21, 4, 49, 35, 35, 4, 49, 4, 21, 4, 25, 35, 4, 119, 35, 4, 119, 35, 4, 25, 4, 29, 4, 95, 4, 189, 4, 259, 4, 259, 4, 189, 4, 95, 4, 29, 4, 33, 31, 71, 112, 259, 112, 71, 31, 4, 33, 4, 37, 4, 157, 102]

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