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.

A139331 Triangle read by rows: ConvOffsStoT transform of A103505.

Table of values

n a(n)
0 1
1 1
2 1
3 1
4 1
5 1
6 1
7 2
8 2
9 1
10 1
11 6
12 12
13 6
14 1
15 1
16 12
17 72
18 72
19 12
20 1
21 1
22 20
23 240
24 720
25 240
26 20
27 1
28 1
29 30
30 600
31 3600
32 3600
33 600
34 30
35 1
36 1
37 56
38 1680
39 16800
40 33600
41 16800
42 1680
43 56
44 1
45 1
46 72
47 4032
48 60480
49 201600
50 201600
51 60480
52 4032
53 72
54 1

List of values

[1, 1, 1, 1, 1, 1, 1, 2, 2, 1, 1, 6, 12, 6, 1, 1, 12, 72, 72, 12, 1, 1, 20, 240, 720, 240, 20, 1, 1, 30, 600, 3600, 3600, 600, 30, 1, 1, 56, 1680, 16800, 33600, 16800, 1680, 56, 1, 1, 72, 4032, 60480, 201600, 201600, 60480, 4032, 72, 1]