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.

A103690 Triangle read by rows: T(n,k)=binomial(n,k-1)*k^(k-1)*(n+1-k)^(n-k) (1<=k<=n).

Table of values

n a(n)
1 1
2 2
3 4
4 9
5 12
6 27
7 64
8 72
9 108
10 256
11 625
12 640
13 810
14 1280
15 3125
16 7776
17 7500
18 8640
19 11520
20 18750
21 46656
22 117649
23 108864
24 118125
25 143360
26 196875
27 326592
28 823543
29 2097152
30 1882384
31 1959552
32 2240000
33 2800000
34 3919104
35 6588344
36 16777216
37 43046721

List of values

[1, 2, 4, 9, 12, 27, 64, 72, 108, 256, 625, 640, 810, 1280, 3125, 7776, 7500, 8640, 11520, 18750, 46656, 117649, 108864, 118125, 143360, 196875, 326592, 823543, 2097152, 1882384, 1959552, 2240000, 2800000, 3919104, 6588344, 16777216, 43046721]