A209081 - cp's OEIS frontend

A209081 Floor(A152170(n)/n^n). Floor of the expected value of the cardinality of the image of a function from [n] to [n].

n	a(n)
1	1
2	1
3	2
4	2
5	3
6	3
7	4
8	5
9	5
10	6
11	7
12	7
13	8
14	9
15	9
16	10
17	10
18	11
19	12
20	12
21	13
22	14
23	14
24	15
25	15
26	16
27	17
28	17
29	18
30	19
31	19
32	20
33	21
34	21
35	22
36	22
37	23
38	24
39	24
40	25
41	26
42	26
43	27
44	27
45	28
46	29
47	29
48	30
49	31
50	31
51	32
52	33
53	33
54	34
55	34
56	35
57	36
58	36
59	37
60	38

[1, 1, 2, 2, 3, 3, 4, 5, 5, 6, 7, 7, 8, 9, 9, 10, 10, 11, 12, 12, 13, 14, 14, 15, 15, 16, 17, 17, 18, 19, 19, 20, 21, 21, 22, 22, 23, 24, 24, 25, 26, 26, 27, 27, 28, 29, 29, 30, 31, 31, 32, 33, 33, 34, 34, 35, 36, 36, 37, 38]

cp's OEIS Frontend

A209081 Floor(A152170(n)/n^n). Floor of the expected value of the cardinality of the image of a function from [n] to [n].

Table of values

List of values

n	a(n)
1	1
2	1
3	2
4	2
5	3
6	3
7	4
8	5
9	5
10	6
11	7
12	7
13	8
14	9
15	9
16	10
17	10
18	11
19	12
20	12
21	13
22	14
23	14
24	15
25	15
26	16
27	17
28	17
29	18
30	19
31	19
32	20
33	21
34	21
35	22
36	22
37	23
38	24
39	24
40	25
41	26
42	26
43	27
44	27
45	28
46	29
47	29
48	30
49	31
50	31
51	32
52	33
53	33
54	34
55	34
56	35
57	36
58	36
59	37
60	38

n	a(n)
1	1
2	1
3	2
4	2
5	3
6	3
7	4
8	5
9	5
10	6
11	7
12	7
13	8
14	9
15	9
16	10
17	10
18	11
19	12
20	12
21	13
22	14
23	14
24	15
25	15
26	16
27	17
28	17
29	18
30	19
31	19
32	20
33	21
34	21
35	22
36	22
37	23
38	24
39	24
40	25
41	26
42	26
43	27
44	27
45	28
46	29
47	29
48	30
49	31
50	31
51	32
52	33
53	33
54	34
55	34
56	35
57	36
58	36
59	37
60	38

n	a(n)
1	1
2	1
3	2
4	2
5	3
6	3
7	4
8	5
9	5
10	6
11	7
12	7
13	8
14	9
15	9
16	10
17	10
18	11
19	12
20	12
21	13
22	14
23	14
24	15
25	15
26	16
27	17
28	17
29	18
30	19
31	19
32	20
33	21
34	21
35	22
36	22
37	23
38	24
39	24
40	25
41	26
42	26
43	27
44	27
45	28
46	29
47	29
48	30
49	31
50	31
51	32
52	33
53	33
54	34
55	34
56	35
57	36
58	36
59	37
60	38