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.

A373422 Triangle read by rows: T(n,k) = number of permutations of [n] starting from k that have zero (n-1)-th differences. (n>=1, 1<=k<=n).

Table of values

n a(n)
1 0
2 0
3 0
4 1
5 0
6 1
7 1
8 0
9 0
10 1
11 4
12 2
13 4
14 2
15 4
16 3
17 0
18 0
19 0
20 0
21 3
22 40
23 36
24 40
25 40
26 40
27 36
28 40
29 29
30 0
31 0
32 0
33 0
34 0
35 0
36 29
37 232
38 152
39 240
40 200
41 208
42 200
43 240
44 152
45 232
46 235
47 142
48 140
49 257
50 168
51 168
52 257
53 140
54 142
55 235
56 11712
57 13216
58 12208
59 12384
60 11408
61 11136
62 11408
63 12384
64 12208
65 13216
66 11712

List of values

[0, 0, 0, 1, 0, 1, 1, 0, 0, 1, 4, 2, 4, 2, 4, 3, 0, 0, 0, 0, 3, 40, 36, 40, 40, 40, 36, 40, 29, 0, 0, 0, 0, 0, 0, 29, 232, 152, 240, 200, 208, 200, 240, 152, 232, 235, 142, 140, 257, 168, 168, 257, 140, 142, 235, 11712, 13216, 12208, 12384, 11408, 11136, 11408, 12384, 12208, 13216, 11712]