A366030 - cp's OEIS frontend

A366030 Square array A(n, k), n, k > 0, read and filled by upwards antidiagonals the greedy way with distinct positive integers such that any two distinct terms in the same row or column or antidiagonal are coprime.

n	a(n)
1	1
2	2
3	3
4	5
5	7
6	4
7	9
8	8
9	11
10	13
11	17
12	19
13	21
14	23
15	25
16	29
17	31
18	37
19	41
20	27
21	43
22	47
23	53
24	59
25	10
26	61
27	67
28	49
29	71
30	55
31	73
32	57
33	79
34	83
35	89
36	97
37	77
38	101
39	103
40	107
41	16
42	109
43	113
44	65
45	127
46	131
47	137
48	85
49	139
50	91
51	121
52	149
53	151
54	157
55	163
56	167
57	169
58	173
59	179
60	181
61	6
62	115
63	119
64	191
65	193
66	197

[1, 2, 3, 5, 7, 4, 9, 8, 11, 13, 17, 19, 21, 23, 25, 29, 31, 37, 41, 27, 43, 47, 53, 59, 10, 61, 67, 49, 71, 55, 73, 57, 79, 83, 89, 97, 77, 101, 103, 107, 16, 109, 113, 65, 127, 131, 137, 85, 139, 91, 121, 149, 151, 157, 163, 167, 169, 173, 179, 181, 6, 115, 119, 191, 193, 197]

cp's OEIS Frontend

A366030 Square array A(n, k), n, k > 0, read and filled by upwards antidiagonals the greedy way with distinct positive integers such that any two distinct terms in the same row or column or antidiagonal are coprime.

Table of values

List of values

n	a(n)
1	1
2	2
3	3
4	5
5	7
6	4
7	9
8	8
9	11
10	13
11	17
12	19
13	21
14	23
15	25
16	29
17	31
18	37
19	41
20	27
21	43
22	47
23	53
24	59
25	10
26	61
27	67
28	49
29	71
30	55
31	73
32	57
33	79
34	83
35	89
36	97
37	77
38	101
39	103
40	107
41	16
42	109
43	113
44	65
45	127
46	131
47	137
48	85
49	139
50	91
51	121
52	149
53	151
54	157
55	163
56	167
57	169
58	173
59	179
60	181
61	6
62	115
63	119
64	191
65	193
66	197

n	a(n)
1	1
2	2
3	3
4	5
5	7
6	4
7	9
8	8
9	11
10	13
11	17
12	19
13	21
14	23
15	25
16	29
17	31
18	37
19	41
20	27
21	43
22	47
23	53
24	59
25	10
26	61
27	67
28	49
29	71
30	55
31	73
32	57
33	79
34	83
35	89
36	97
37	77
38	101
39	103
40	107
41	16
42	109
43	113
44	65
45	127
46	131
47	137
48	85
49	139
50	91
51	121
52	149
53	151
54	157
55	163
56	167
57	169
58	173
59	179
60	181
61	6
62	115
63	119
64	191
65	193
66	197

n	a(n)
1	1
2	2
3	3
4	5
5	7
6	4
7	9
8	8
9	11
10	13
11	17
12	19
13	21
14	23
15	25
16	29
17	31
18	37
19	41
20	27
21	43
22	47
23	53
24	59
25	10
26	61
27	67
28	49
29	71
30	55
31	73
32	57
33	79
34	83
35	89
36	97
37	77
38	101
39	103
40	107
41	16
42	109
43	113
44	65
45	127
46	131
47	137
48	85
49	139
50	91
51	121
52	149
53	151
54	157
55	163
56	167
57	169
58	173
59	179
60	181
61	6
62	115
63	119
64	191
65	193
66	197