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.

A153726 Initial digit of Catalan number A000108(n).

Table of values

n a(n)
0 1
1 1
2 2
3 5
4 1
5 4
6 1
7 4
8 1
9 4
10 1
11 5
12 2
13 7
14 2
15 9
16 3
17 1
18 4
19 1
20 6
21 2
22 9
23 3
24 1
25 4
26 1
27 6
28 2
29 1
30 3
31 1
32 5
33 2
34 8
35 3
36 1
37 4
38 1
39 6
40 2
41 1
42 3
43 1
44 5
45 2
46 8
47 3
48 1
49 5
50 1
51 7
52 2
53 1
54 4
55 1
56 6
57 2
58 1
59 4
60 1
61 6
62 2
63 9
64 3
65 1
66 5
67 2
68 8
69 3
70 1
71 5
72 2
73 7
74 3
75 1
76 4
77 1
78 7
79 2
80 1
81 4
82 1
83 6
84 2
85 1

List of values

[1, 1, 2, 5, 1, 4, 1, 4, 1, 4, 1, 5, 2, 7, 2, 9, 3, 1, 4, 1, 6, 2, 9, 3, 1, 4, 1, 6, 2, 1, 3, 1, 5, 2, 8, 3, 1, 4, 1, 6, 2, 1, 3, 1, 5, 2, 8, 3, 1, 5, 1, 7, 2, 1, 4, 1, 6, 2, 1, 4, 1, 6, 2, 9, 3, 1, 5, 2, 8, 3, 1, 5, 2, 7, 3, 1, 4, 1, 7, 2, 1, 4, 1, 6, 2, 1]