A292677 - cp's OEIS frontend

A292677 Least number of symbols required to fill a grid of size n X n row by row in the greedy way such that in no row or column or 7 X 7 square any symbol occurs twice.

n	a(n)
1	1
2	4
3	9
4	16
5	25
6	36
7	49
8	51
9	53
10	56
11	57
12	59
13	60
14	60
15	61
16	62
17	64
18	66
19	65
20	64
21	62
22	62
23	64
24	66
25	65
26	67
27	67
28	67
29	66
30	67
31	69
32	67
33	69
34	69
35	70
36	70
37	73
38	73
39	73
40	73
41	73
42	73
43	73
44	73
45	73
46	73
47	73
48	73
49	73
50	73
51	73
52	75
53	76
54	78
55	80
56	80
57	83
58	82
59	83
60	87
61	94
62	99
63	106
64	107
65	108
66	109
67	110
68	111
69	112
70	112

[1, 4, 9, 16, 25, 36, 49, 51, 53, 56, 57, 59, 60, 60, 61, 62, 64, 66, 65, 64, 62, 62, 64, 66, 65, 67, 67, 67, 66, 67, 69, 67, 69, 69, 70, 70, 73, 73, 73, 73, 73, 73, 73, 73, 73, 73, 73, 73, 73, 73, 73, 75, 76, 78, 80, 80, 83, 82, 83, 87, 94, 99, 106, 107, 108, 109, 110, 111, 112, 112]

cp's OEIS Frontend

A292677 Least number of symbols required to fill a grid of size n X n row by row in the greedy way such that in no row or column or 7 X 7 square any symbol occurs twice.

Table of values

List of values

n	a(n)
1	1
2	4
3	9
4	16
5	25
6	36
7	49
8	51
9	53
10	56
11	57
12	59
13	60
14	60
15	61
16	62
17	64
18	66
19	65
20	64
21	62
22	62
23	64
24	66
25	65
26	67
27	67
28	67
29	66
30	67
31	69
32	67
33	69
34	69
35	70
36	70
37	73
38	73
39	73
40	73
41	73
42	73
43	73
44	73
45	73
46	73
47	73
48	73
49	73
50	73
51	73
52	75
53	76
54	78
55	80
56	80
57	83
58	82
59	83
60	87
61	94
62	99
63	106
64	107
65	108
66	109
67	110
68	111
69	112
70	112

n	a(n)
1	1
2	4
3	9
4	16
5	25
6	36
7	49
8	51
9	53
10	56
11	57
12	59
13	60
14	60
15	61
16	62
17	64
18	66
19	65
20	64
21	62
22	62
23	64
24	66
25	65
26	67
27	67
28	67
29	66
30	67
31	69
32	67
33	69
34	69
35	70
36	70
37	73
38	73
39	73
40	73
41	73
42	73
43	73
44	73
45	73
46	73
47	73
48	73
49	73
50	73
51	73
52	75
53	76
54	78
55	80
56	80
57	83
58	82
59	83
60	87
61	94
62	99
63	106
64	107
65	108
66	109
67	110
68	111
69	112
70	112

n	a(n)
1	1
2	4
3	9
4	16
5	25
6	36
7	49
8	51
9	53
10	56
11	57
12	59
13	60
14	60
15	61
16	62
17	64
18	66
19	65
20	64
21	62
22	62
23	64
24	66
25	65
26	67
27	67
28	67
29	66
30	67
31	69
32	67
33	69
34	69
35	70
36	70
37	73
38	73
39	73
40	73
41	73
42	73
43	73
44	73
45	73
46	73
47	73
48	73
49	73
50	73
51	73
52	75
53	76
54	78
55	80
56	80
57	83
58	82
59	83
60	87
61	94
62	99
63	106
64	107
65	108
66	109
67	110
68	111
69	112
70	112