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.

A369017 Triangle read by rows: T(n, k) = binomial(n-1, k-1) * (k - 1)^(k - 1) * k * (n - k + 1)^(n - k - 1).

Table of values

n a(n)
0 0
1 0
2 1
3 0
4 1
5 2
6 0
7 3
8 4
9 12
10 0
11 16
12 18
13 36
14 108
15 0
16 125
17 128
18 216
19 432
20 1280
21 0
22 1296
23 1250
24 1920
25 3240
26 6400
27 18750
28 0
29 16807
30 15552
31 22500
32 34560
33 57600
34 112500
35 326592
36 0
37 262144
38 235298
39 326592
40 472500
41 716800
42 1181250
43 2286144
44 6588344

List of values

[0, 0, 1, 0, 1, 2, 0, 3, 4, 12, 0, 16, 18, 36, 108, 0, 125, 128, 216, 432, 1280, 0, 1296, 1250, 1920, 3240, 6400, 18750, 0, 16807, 15552, 22500, 34560, 57600, 112500, 326592, 0, 262144, 235298, 326592, 472500, 716800, 1181250, 2286144, 6588344]