A091512 - cp's OEIS frontend

A091512 a(n) is the largest integer m such that 2^m divides (2n)^n, i.e., the exponent of 2 in (2n)^n.

n	a(n)
1	1
2	4
3	3
4	12
5	5
6	12
7	7
8	32
9	9
10	20
11	11
12	36
13	13
14	28
15	15
16	80
17	17
18	36
19	19
20	60
21	21
22	44
23	23
24	96
25	25
26	52
27	27
28	84
29	29
30	60
31	31
32	192
33	33
34	68
35	35
36	108
37	37
38	76
39	39
40	160
41	41
42	84
43	43
44	132
45	45
46	92
47	47
48	240
49	49
50	100
51	51
52	156
53	53
54	108
55	55
56	224
57	57
58	116
59	59
60	180
61	61
62	124
63	63

[1, 4, 3, 12, 5, 12, 7, 32, 9, 20, 11, 36, 13, 28, 15, 80, 17, 36, 19, 60, 21, 44, 23, 96, 25, 52, 27, 84, 29, 60, 31, 192, 33, 68, 35, 108, 37, 76, 39, 160, 41, 84, 43, 132, 45, 92, 47, 240, 49, 100, 51, 156, 53, 108, 55, 224, 57, 116, 59, 180, 61, 124, 63]

cp's OEIS Frontend

A091512 a(n) is the largest integer m such that 2^m divides (2n)^n, i.e., the exponent of 2 in (2n)^n.

Table of values

List of values

n	a(n)
1	1
2	4
3	3
4	12
5	5
6	12
7	7
8	32
9	9
10	20
11	11
12	36
13	13
14	28
15	15
16	80
17	17
18	36
19	19
20	60
21	21
22	44
23	23
24	96
25	25
26	52
27	27
28	84
29	29
30	60
31	31
32	192
33	33
34	68
35	35
36	108
37	37
38	76
39	39
40	160
41	41
42	84
43	43
44	132
45	45
46	92
47	47
48	240
49	49
50	100
51	51
52	156
53	53
54	108
55	55
56	224
57	57
58	116
59	59
60	180
61	61
62	124
63	63

n	a(n)
1	1
2	4
3	3
4	12
5	5
6	12
7	7
8	32
9	9
10	20
11	11
12	36
13	13
14	28
15	15
16	80
17	17
18	36
19	19
20	60
21	21
22	44
23	23
24	96
25	25
26	52
27	27
28	84
29	29
30	60
31	31
32	192
33	33
34	68
35	35
36	108
37	37
38	76
39	39
40	160
41	41
42	84
43	43
44	132
45	45
46	92
47	47
48	240
49	49
50	100
51	51
52	156
53	53
54	108
55	55
56	224
57	57
58	116
59	59
60	180
61	61
62	124
63	63

cp's OEIS Frontend

A091512 a(n) is the largest integer m such that 2^m divides (2*n)^n, i.e., the exponent of 2 in (2*n)^n.

Table of values

List of values

A091512 a(n) is the largest integer m such that 2^m divides (2n)^n, i.e., the exponent of 2 in (2n)^n.

n	a(n)
1	1
2	4
3	3
4	12
5	5
6	12
7	7
8	32
9	9
10	20
11	11
12	36
13	13
14	28
15	15
16	80
17	17
18	36
19	19
20	60
21	21
22	44
23	23
24	96
25	25
26	52
27	27
28	84
29	29
30	60
31	31
32	192
33	33
34	68
35	35
36	108
37	37
38	76
39	39
40	160
41	41
42	84
43	43
44	132
45	45
46	92
47	47
48	240
49	49
50	100
51	51
52	156
53	53
54	108
55	55
56	224
57	57
58	116
59	59
60	180
61	61
62	124
63	63