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.

A085296 Runs of zeros in Catalan sequence modulo 3: consecutive occurrences of binomial(2*k,k)/(k+1) == 0 (mod 3).

Table of values

n a(n)
1 3
2 12
3 3
4 39
5 3
6 12
7 3
8 120
9 3
10 12
11 3
12 39
13 3
14 12
15 3
16 363
17 3
18 12
19 3
20 39
21 3
22 12
23 3
24 120
25 3
26 12
27 3
28 39
29 3
30 12
31 3
32 1092
33 3
34 12
35 3
36 39
37 3
38 12
39 3
40 120
41 3
42 12
43 3
44 39
45 3
46 12
47 3
48 363
49 3
50 12
51 3
52 39
53 3
54 12
55 3
56 120
57 3
58 12
59 3
60 39
61 3
62 12
63 3
64 3279
65 3
66 12
67 3
68 39
69 3
70 12
71 3
72 120
73 3
74 12
75 3
76 39
77 3
78 12
79 3

List of values

[3, 12, 3, 39, 3, 12, 3, 120, 3, 12, 3, 39, 3, 12, 3, 363, 3, 12, 3, 39, 3, 12, 3, 120, 3, 12, 3, 39, 3, 12, 3, 1092, 3, 12, 3, 39, 3, 12, 3, 120, 3, 12, 3, 39, 3, 12, 3, 363, 3, 12, 3, 39, 3, 12, 3, 120, 3, 12, 3, 39, 3, 12, 3, 3279, 3, 12, 3, 39, 3, 12, 3, 120, 3, 12, 3, 39, 3, 12, 3]