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.

A254864 Triangular table T(n,k) = n! / (n-floor(n/3^k))!, read by rows T(1,1), T(2,1), T(2,2), T(3,1), T(3,2), T(3,3), ...

Table of values

n a(n)
1 1
2 1
3 1
4 3
5 1
6 1
7 4
8 1
9 1
10 1
11 5
12 1
13 1
14 1
15 1
16 30
17 1
18 1
19 1
20 1
21 1
22 42
23 1
24 1
25 1
26 1
27 1
28 1
29 56
30 1
31 1
32 1
33 1
34 1
35 1
36 1
37 504
38 9
39 1
40 1
41 1
42 1
43 1
44 1
45 1
46 720
47 10
48 1
49 1
50 1
51 1
52 1
53 1
54 1
55 1
56 990
57 11
58 1
59 1
60 1
61 1
62 1
63 1
64 1
65 1
66 1
67 11880
68 12
69 1
70 1
71 1
72 1
73 1
74 1
75 1
76 1
77 1
78 1
79 17160
80 13
81 1
82 1
83 1
84 1
85 1
86 1
87 1
88 1
89 1
90 1
91 1
92 24024
93 14
94 1
95 1
96 1
97 1
98 1
99 1
100 1
101 1
102 1
103 1
104 1
105 1

List of values

[1, 1, 1, 3, 1, 1, 4, 1, 1, 1, 5, 1, 1, 1, 1, 30, 1, 1, 1, 1, 1, 42, 1, 1, 1, 1, 1, 1, 56, 1, 1, 1, 1, 1, 1, 1, 504, 9, 1, 1, 1, 1, 1, 1, 1, 720, 10, 1, 1, 1, 1, 1, 1, 1, 1, 990, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 11880, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 17160, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 24024, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]