A292679 - cp's OEIS frontend

A292679 Least number of symbols required to fill a grid of size n X n row by row in the greedy way such that in any row or column or rectangular 9 X 9 block no symbol occurs twice.

n	a(n)
1	1
2	4
3	9
4	16
5	25
6	36
7	49
8	64
9	81
10	83
11	85
12	88
13	89
14	91
15	92
16	94
17	95
18	95
19	96
20	97
21	100
22	102
23	103
24	104
25	103
26	105
27	102
28	103
29	104
30	104
31	104
32	104
33	105
34	107
35	108
36	108
37	115
38	114
39	115
40	111
41	112
42	112
43	111
44	113
45	117
46	118
47	119
48	120
49	121
50	122
51	123
52	124
53	126
54	126
55	126
56	126
57	126
58	126

[1, 4, 9, 16, 25, 36, 49, 64, 81, 83, 85, 88, 89, 91, 92, 94, 95, 95, 96, 97, 100, 102, 103, 104, 103, 105, 102, 103, 104, 104, 104, 104, 105, 107, 108, 108, 115, 114, 115, 111, 112, 112, 111, 113, 117, 118, 119, 120, 121, 122, 123, 124, 126, 126, 126, 126, 126, 126]

cp's OEIS Frontend

A292679 Least number of symbols required to fill a grid of size n X n row by row in the greedy way such that in any row or column or rectangular 9 X 9 block no 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	64
9	81
10	83
11	85
12	88
13	89
14	91
15	92
16	94
17	95
18	95
19	96
20	97
21	100
22	102
23	103
24	104
25	103
26	105
27	102
28	103
29	104
30	104
31	104
32	104
33	105
34	107
35	108
36	108
37	115
38	114
39	115
40	111
41	112
42	112
43	111
44	113
45	117
46	118
47	119
48	120
49	121
50	122
51	123
52	124
53	126
54	126
55	126
56	126
57	126
58	126

n	a(n)
1	1
2	4
3	9
4	16
5	25
6	36
7	49
8	64
9	81
10	83
11	85
12	88
13	89
14	91
15	92
16	94
17	95
18	95
19	96
20	97
21	100
22	102
23	103
24	104
25	103
26	105
27	102
28	103
29	104
30	104
31	104
32	104
33	105
34	107
35	108
36	108
37	115
38	114
39	115
40	111
41	112
42	112
43	111
44	113
45	117
46	118
47	119
48	120
49	121
50	122
51	123
52	124
53	126
54	126
55	126
56	126
57	126
58	126

n	a(n)
1	1
2	4
3	9
4	16
5	25
6	36
7	49
8	64
9	81
10	83
11	85
12	88
13	89
14	91
15	92
16	94
17	95
18	95
19	96
20	97
21	100
22	102
23	103
24	104
25	103
26	105
27	102
28	103
29	104
30	104
31	104
32	104
33	105
34	107
35	108
36	108
37	115
38	114
39	115
40	111
41	112
42	112
43	111
44	113
45	117
46	118
47	119
48	120
49	121
50	122
51	123
52	124
53	126
54	126
55	126
56	126
57	126
58	126