A284189 - cp's OEIS frontend

A284189 Square array T(n,k) read by upward antidiagonals: each term is the least positive integer not yet appearing in the array that is coprime to all the terms in its associated row, column, diagonal and antidiagonal.

n	a(n)
1	1
2	2
3	3
4	5
5	7
6	4
7	9
8	11
9	13
10	17
11	19
12	8
13	23
14	15
15	29
16	31
17	25
18	37
19	14
20	41
21	43
22	47
23	53
24	21
25	59
26	61
27	67
28	55
29	49
30	71
31	73
32	79
33	83
34	27
35	89
36	97
37	101
38	103
39	85
40	107
41	16
42	77
43	109
44	113
45	127
46	121
47	131
48	137
49	139
50	35
51	149
52	151
53	157
54	163
55	167
56	169
57	173
58	179
59	181
60	191
61	193
62	197
63	95
64	199
65	187
66	161

[1, 2, 3, 5, 7, 4, 9, 11, 13, 17, 19, 8, 23, 15, 29, 31, 25, 37, 14, 41, 43, 47, 53, 21, 59, 61, 67, 55, 49, 71, 73, 79, 83, 27, 89, 97, 101, 103, 85, 107, 16, 77, 109, 113, 127, 121, 131, 137, 139, 35, 149, 151, 157, 163, 167, 169, 173, 179, 181, 191, 193, 197, 95, 199, 187, 161]

cp's OEIS Frontend

A284189 Square array T(n,k) read by upward antidiagonals: each term is the least positive integer not yet appearing in the array that is coprime to all the terms in its associated row, column, diagonal and antidiagonal.

Table of values

List of values

n	a(n)
1	1
2	2
3	3
4	5
5	7
6	4
7	9
8	11
9	13
10	17
11	19
12	8
13	23
14	15
15	29
16	31
17	25
18	37
19	14
20	41
21	43
22	47
23	53
24	21
25	59
26	61
27	67
28	55
29	49
30	71
31	73
32	79
33	83
34	27
35	89
36	97
37	101
38	103
39	85
40	107
41	16
42	77
43	109
44	113
45	127
46	121
47	131
48	137
49	139
50	35
51	149
52	151
53	157
54	163
55	167
56	169
57	173
58	179
59	181
60	191
61	193
62	197
63	95
64	199
65	187
66	161

n	a(n)
1	1
2	2
3	3
4	5
5	7
6	4
7	9
8	11
9	13
10	17
11	19
12	8
13	23
14	15
15	29
16	31
17	25
18	37
19	14
20	41
21	43
22	47
23	53
24	21
25	59
26	61
27	67
28	55
29	49
30	71
31	73
32	79
33	83
34	27
35	89
36	97
37	101
38	103
39	85
40	107
41	16
42	77
43	109
44	113
45	127
46	121
47	131
48	137
49	139
50	35
51	149
52	151
53	157
54	163
55	167
56	169
57	173
58	179
59	181
60	191
61	193
62	197
63	95
64	199
65	187
66	161

n	a(n)
1	1
2	2
3	3
4	5
5	7
6	4
7	9
8	11
9	13
10	17
11	19
12	8
13	23
14	15
15	29
16	31
17	25
18	37
19	14
20	41
21	43
22	47
23	53
24	21
25	59
26	61
27	67
28	55
29	49
30	71
31	73
32	79
33	83
34	27
35	89
36	97
37	101
38	103
39	85
40	107
41	16
42	77
43	109
44	113
45	127
46	121
47	131
48	137
49	139
50	35
51	149
52	151
53	157
54	163
55	167
56	169
57	173
58	179
59	181
60	191
61	193
62	197
63	95
64	199
65	187
66	161