A210115 - cp's OEIS frontend

A210115 Floor of the expected value of number of trials until exactly four cells are empty in a random distribution of n balls in n cells.

n	a(n)
5	625
6	50
7	13
8	5
9	3
10	2
11	2
12	2
13	3
14	4
15	5
16	7
17	11
18	17
19	28
20	46
21	78
22	136
23	242
24	441
25	815
26	1533
27	2927
28	5669
29	11123
30	22090
31	44363
32	90027
33	184482
34	381499
35	795686
36	1672914
37	3543925
38	7561129
39	16240832
40	35106812
41	76346759
42	166982782
43	367206632
44	811693449

[625, 50, 13, 5, 3, 2, 2, 2, 3, 4, 5, 7, 11, 17, 28, 46, 78, 136, 242, 441, 815, 1533, 2927, 5669, 11123, 22090, 44363, 90027, 184482, 381499, 795686, 1672914, 3543925, 7561129, 16240832, 35106812, 76346759, 166982782, 367206632, 811693449]

cp's OEIS Frontend

A210115 Floor of the expected value of number of trials until exactly four cells are empty in a random distribution of n balls in n cells.

Table of values

List of values