cp's OEIS Frontend

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.

A046597 Denominators of the 1/4-Pascal triangle (by row), excluding 4's.

Table of values

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

List of values

[1, 1, 1, 1, 1, 1, 1, 1, 2, 1, 1, 1, 1, 1, 2, 1, 1, 1, 2, 2, 1, 1, 2, 1, 2, 1, 1, 1, 1, 1, 1, 1, 2, 1, 1, 1, 1, 1, 1, 1, 2, 2, 1, 1, 1, 1, 2, 1, 2, 1, 2, 1, 2, 1, 1, 2, 2, 2, 2, 1, 1, 1, 2, 1, 1, 1, 1, 1, 2, 1, 1, 1, 2, 2, 1, 1, 2, 2, 1, 1, 2, 1, 2, 1, 2, 1, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 2, 1, 1, 1, 1, 1, 1]