A130077 - cp's OEIS frontend

A130077 Largest x such that 2^x divides A001623(n), the number of reduced three-line Latin rectangles.

n	a(n)
3	0
4	2
5	1
6	3
7	4
8	6
9	5
10	6
11	7
12	9
13	8
14	11
15	13
16	14
17	12
18	16
19	15
20	17
21	16
22	18
23	19
24	21
25	20
26	21
27	22
28	24
29	23
30	27
31	27
32	30
33	27
34	29
35	31
36	33
37	32
38	34
39	35
40	37
41	36
42	37
43	38
44	40
45	39
46	42
47	44
48	45
49	43
50	50
51	46
52	48
53	47
54	49
55	50
56	52
57	51
58	52
59	53
60	55
61	54
62	59
63	58
64	62
65	58
66	60
67	63
68	65
69	64
70	66
71	67
72	69
73	68
74	69
75	70

[0, 2, 1, 3, 4, 6, 5, 6, 7, 9, 8, 11, 13, 14, 12, 16, 15, 17, 16, 18, 19, 21, 20, 21, 22, 24, 23, 27, 27, 30, 27, 29, 31, 33, 32, 34, 35, 37, 36, 37, 38, 40, 39, 42, 44, 45, 43, 50, 46, 48, 47, 49, 50, 52, 51, 52, 53, 55, 54, 59, 58, 62, 58, 60, 63, 65, 64, 66, 67, 69, 68, 69, 70]

cp's OEIS Frontend

A130077 Largest x such that 2^x divides A001623(n), the number of reduced three-line Latin rectangles.

Table of values

List of values

n	a(n)
3	0
4	2
5	1
6	3
7	4
8	6
9	5
10	6
11	7
12	9
13	8
14	11
15	13
16	14
17	12
18	16
19	15
20	17
21	16
22	18
23	19
24	21
25	20
26	21
27	22
28	24
29	23
30	27
31	27
32	30
33	27
34	29
35	31
36	33
37	32
38	34
39	35
40	37
41	36
42	37
43	38
44	40
45	39
46	42
47	44
48	45
49	43
50	50
51	46
52	48
53	47
54	49
55	50
56	52
57	51
58	52
59	53
60	55
61	54
62	59
63	58
64	62
65	58
66	60
67	63
68	65
69	64
70	66
71	67
72	69
73	68
74	69
75	70

n	a(n)
3	0
4	2
5	1
6	3
7	4
8	6
9	5
10	6
11	7
12	9
13	8
14	11
15	13
16	14
17	12
18	16
19	15
20	17
21	16
22	18
23	19
24	21
25	20
26	21
27	22
28	24
29	23
30	27
31	27
32	30
33	27
34	29
35	31
36	33
37	32
38	34
39	35
40	37
41	36
42	37
43	38
44	40
45	39
46	42
47	44
48	45
49	43
50	50
51	46
52	48
53	47
54	49
55	50
56	52
57	51
58	52
59	53
60	55
61	54
62	59
63	58
64	62
65	58
66	60
67	63
68	65
69	64
70	66
71	67
72	69
73	68
74	69
75	70

n	a(n)
3	0
4	2
5	1
6	3
7	4
8	6
9	5
10	6
11	7
12	9
13	8
14	11
15	13
16	14
17	12
18	16
19	15
20	17
21	16
22	18
23	19
24	21
25	20
26	21
27	22
28	24
29	23
30	27
31	27
32	30
33	27
34	29
35	31
36	33
37	32
38	34
39	35
40	37
41	36
42	37
43	38
44	40
45	39
46	42
47	44
48	45
49	43
50	50
51	46
52	48
53	47
54	49
55	50
56	52
57	51
58	52
59	53
60	55
61	54
62	59
63	58
64	62
65	58
66	60
67	63
68	65
69	64
70	66
71	67
72	69
73	68
74	69
75	70