A352241 - cp's OEIS frontend

A352241 Maximal number of nonattacking black-square queens on an n X n chessboard.

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

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

cp's OEIS Frontend

A352241 Maximal number of nonattacking black-square queens on an n X n chessboard.

Table of values

List of values

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

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

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