A279403 - cp's OEIS frontend

A279403 Irregular triangle read by rows: T(n,k) (n>=1, 0 <= k <= n^2) = minimal number of squares not attacked by k queens on an n X n toroidal board, with trailing zeros truncated.

n	a(n)
1	1
2	4
3	9
4	16
5	4
6	25
7	8
8	2
9	36
10	16
11	4
12	49
13	24
14	11
15	4
16	64
17	36
18	16
19	6
20	81
21	48
22	27
23	12
24	3
25	100
26	64
27	36
28	19
29	4
30	121
31	80
32	51
33	29
34	13
35	144
36	100
37	64
38	39
39	16
40	6
41	169
42	120
43	83
44	53
45	29
46	8
47	2
48	196
49	144
50	100
51	67
52	36
53	18
54	8
55	225
56	168
57	223
58	82
59	41
60	256
61	196
62	144
63	103
64	64
65	40

[1, 4, 9, 16, 4, 25, 8, 2, 36, 16, 4, 49, 24, 11, 4, 64, 36, 16, 6, 81, 48, 27, 12, 3, 100, 64, 36, 19, 4, 121, 80, 51, 29, 13, 144, 100, 64, 39, 16, 6, 169, 120, 83, 53, 29, 8, 2, 196, 144, 100, 67, 36, 18, 8, 225, 168, 223, 82, 41, 256, 196, 144, 103, 64, 40]

cp's OEIS Frontend

A279403 Irregular triangle read by rows: T(n,k) (n>=1, 0 <= k <= n^2) = minimal number of squares not attacked by k queens on an n X n toroidal board, with trailing zeros truncated.

Table of values

List of values

n	a(n)
1	1
2	4
3	9
4	16
5	4
6	25
7	8
8	2
9	36
10	16
11	4
12	49
13	24
14	11
15	4
16	64
17	36
18	16
19	6
20	81
21	48
22	27
23	12
24	3
25	100
26	64
27	36
28	19
29	4
30	121
31	80
32	51
33	29
34	13
35	144
36	100
37	64
38	39
39	16
40	6
41	169
42	120
43	83
44	53
45	29
46	8
47	2
48	196
49	144
50	100
51	67
52	36
53	18
54	8
55	225
56	168
57	223
58	82
59	41
60	256
61	196
62	144
63	103
64	64
65	40

n	a(n)
1	1
2	4
3	9
4	16
5	4
6	25
7	8
8	2
9	36
10	16
11	4
12	49
13	24
14	11
15	4
16	64
17	36
18	16
19	6
20	81
21	48
22	27
23	12
24	3
25	100
26	64
27	36
28	19
29	4
30	121
31	80
32	51
33	29
34	13
35	144
36	100
37	64
38	39
39	16
40	6
41	169
42	120
43	83
44	53
45	29
46	8
47	2
48	196
49	144
50	100
51	67
52	36
53	18
54	8
55	225
56	168
57	223
58	82
59	41
60	256
61	196
62	144
63	103
64	64
65	40

n	a(n)
1	1
2	4
3	9
4	16
5	4
6	25
7	8
8	2
9	36
10	16
11	4
12	49
13	24
14	11
15	4
16	64
17	36
18	16
19	6
20	81
21	48
22	27
23	12
24	3
25	100
26	64
27	36
28	19
29	4
30	121
31	80
32	51
33	29
34	13
35	144
36	100
37	64
38	39
39	16
40	6
41	169
42	120
43	83
44	53
45	29
46	8
47	2
48	196
49	144
50	100
51	67
52	36
53	18
54	8
55	225
56	168
57	223
58	82
59	41
60	256
61	196
62	144
63	103
64	64
65	40