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.

A019579 Place n distinguishable balls in n boxes (in n^n ways); let f(n,k) = number of ways that max in any box is k, for 1 <= k <= n; sequence gives f(n,n-2)/n.

Table of values

n a(n)
3 2
4 45
5 160
6 375
7 756
8 1372
9 2304
10 3645
11 5500
12 7986
13 11232
14 15379
15 20580
16 27000
17 34816
18 44217
19 55404
20 68590
21 84000
22 101871
23 122452
24 146004
25 172800
26 203125
27 237276
28 275562
29 318304
30 365835
31 418500
32 476656
33 540672
34 610929
35 687820
36 771750
37 863136
38 962407

List of values

[2, 45, 160, 375, 756, 1372, 2304, 3645, 5500, 7986, 11232, 15379, 20580, 27000, 34816, 44217, 55404, 68590, 84000, 101871, 122452, 146004, 172800, 203125, 237276, 275562, 318304, 365835, 418500, 476656, 540672, 610929, 687820, 771750, 863136, 962407]