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.

A179974 Triangle read by rows: T(n,k) = (n-A049085(n,k))! in columns 1<=k<=A000041(n), rows n>=1.

Table of values

n a(n)
1 1
2 1
3 1
4 1
5 1
6 2
7 1
8 1
9 2
10 2
11 6
12 1
13 1
14 2
15 2
16 6
17 6
18 24
19 1
20 1
21 2
22 6
23 2
24 6
25 24
26 6
27 24
28 24
29 120
30 1
31 1
32 2
33 6
34 2
35 6
36 24
37 24
38 6
39 24
40 120
41 24
42 120
43 120
44 720
45 1
46 1
47 2
48 6
49 24
50 2
51 6
52 24
53 24
54 120
55 6
56 24
57 120
58 120
59 720
60 24
61 120
62 720
63 120
64 720
65 720
66 5040
67 1
68 1
69 2
70 6
71 24
72 2
73 6
74 24
75 120
76 24
77 120
78 720
79 6
80 24
81 120
82 120
83 720
84 720
85 24
86 120
87 720
88 720
89 5040
90 120
91 720
92 5040

List of values

[1, 1, 1, 1, 1, 2, 1, 1, 2, 2, 6, 1, 1, 2, 2, 6, 6, 24, 1, 1, 2, 6, 2, 6, 24, 6, 24, 24, 120, 1, 1, 2, 6, 2, 6, 24, 24, 6, 24, 120, 24, 120, 120, 720, 1, 1, 2, 6, 24, 2, 6, 24, 24, 120, 6, 24, 120, 120, 720, 24, 120, 720, 120, 720, 720, 5040, 1, 1, 2, 6, 24, 2, 6, 24, 120, 24, 120, 720, 6, 24, 120, 120, 720, 720, 24, 120, 720, 720, 5040, 120, 720, 5040]