A213851 - cp's OEIS frontend

A213851 Least m such that m!*2^m >= n!

n	a(n)
1	1
2	1
3	2
4	3
5	4
6	5
7	6
8	6
9	7
10	8
11	9
12	10
13	11
14	12
15	12
16	13
17	14
18	15
19	16
20	17
21	18
22	18
23	19
24	20
25	21
26	22
27	23
28	24
29	24
30	25
31	26
32	27
33	28
34	29
35	30
36	31
37	31
38	32
39	33
40	34
41	35
42	36
43	37
44	38
45	38
46	39
47	40
48	41
49	42
50	43
51	44
52	45
53	46
54	46
55	47
56	48
57	49
58	50
59	51
60	52
61	53
62	53
63	54

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

cp's OEIS Frontend

A213851 Least m such that m!*2^m >= n!

Table of values

List of values

n	a(n)
1	1
2	1
3	2
4	3
5	4
6	5
7	6
8	6
9	7
10	8
11	9
12	10
13	11
14	12
15	12
16	13
17	14
18	15
19	16
20	17
21	18
22	18
23	19
24	20
25	21
26	22
27	23
28	24
29	24
30	25
31	26
32	27
33	28
34	29
35	30
36	31
37	31
38	32
39	33
40	34
41	35
42	36
43	37
44	38
45	38
46	39
47	40
48	41
49	42
50	43
51	44
52	45
53	46
54	46
55	47
56	48
57	49
58	50
59	51
60	52
61	53
62	53
63	54

n	a(n)
1	1
2	1
3	2
4	3
5	4
6	5
7	6
8	6
9	7
10	8
11	9
12	10
13	11
14	12
15	12
16	13
17	14
18	15
19	16
20	17
21	18
22	18
23	19
24	20
25	21
26	22
27	23
28	24
29	24
30	25
31	26
32	27
33	28
34	29
35	30
36	31
37	31
38	32
39	33
40	34
41	35
42	36
43	37
44	38
45	38
46	39
47	40
48	41
49	42
50	43
51	44
52	45
53	46
54	46
55	47
56	48
57	49
58	50
59	51
60	52
61	53
62	53
63	54

n	a(n)
1	1
2	1
3	2
4	3
5	4
6	5
7	6
8	6
9	7
10	8
11	9
12	10
13	11
14	12
15	12
16	13
17	14
18	15
19	16
20	17
21	18
22	18
23	19
24	20
25	21
26	22
27	23
28	24
29	24
30	25
31	26
32	27
33	28
34	29
35	30
36	31
37	31
38	32
39	33
40	34
41	35
42	36
43	37
44	38
45	38
46	39
47	40
48	41
49	42
50	43
51	44
52	45
53	46
54	46
55	47
56	48
57	49
58	50
59	51
60	52
61	53
62	53
63	54