A269526 - cp's OEIS frontend

A269526 Square array T(n,k) (n>=1, k>=1) read by antidiagonals upwards in which each term is the least positive integer satisfying the condition that no row, column, diagonal, or antidiagonal contains a repeated term.

n	a(n)
1	1
2	2
3	3
4	3
5	4
6	2
7	4
8	1
9	5
10	6
11	5
12	2
13	6
14	1
15	4
16	6
17	7
18	3
19	2
20	8
21	5
22	7
23	8
24	1
25	5
26	9
27	3
28	10
29	8
30	5
31	9
32	4
33	1
34	7
35	6
36	11
37	9
38	6
39	4
40	7
41	2
42	8
43	5
44	12
45	13
46	10
47	11
48	7
49	3
50	5
51	6
52	9
53	4
54	14
55	8
56	11
57	12
58	8
59	9
60	6
61	10
62	3
63	7
64	15
65	16
66	14
67	12
68	9
69	13
70	10
71	11
72	14
73	4
74	15
75	16
76	17
77	7
78	18
79	13
80	10
81	14
82	11
83	3
84	4
85	8
86	16
87	9
88	6
89	12
90	15
91	7

[1, 2, 3, 3, 4, 2, 4, 1, 5, 6, 5, 2, 6, 1, 4, 6, 7, 3, 2, 8, 5, 7, 8, 1, 5, 9, 3, 10, 8, 5, 9, 4, 1, 7, 6, 11, 9, 6, 4, 7, 2, 8, 5, 12, 13, 10, 11, 7, 3, 5, 6, 9, 4, 14, 8, 11, 12, 8, 9, 6, 10, 3, 7, 15, 16, 14, 12, 9, 13, 10, 11, 14, 4, 15, 16, 17, 7, 18, 13, 10, 14, 11, 3, 4, 8, 16, 9, 6, 12, 15, 7]

cp's OEIS Frontend

A269526 Square array T(n,k) (n>=1, k>=1) read by antidiagonals upwards in which each term is the least positive integer satisfying the condition that no row, column, diagonal, or antidiagonal contains a repeated term.

Table of values

List of values

n	a(n)
1	1
2	2
3	3
4	3
5	4
6	2
7	4
8	1
9	5
10	6
11	5
12	2
13	6
14	1
15	4
16	6
17	7
18	3
19	2
20	8
21	5
22	7
23	8
24	1
25	5
26	9
27	3
28	10
29	8
30	5
31	9
32	4
33	1
34	7
35	6
36	11
37	9
38	6
39	4
40	7
41	2
42	8
43	5
44	12
45	13
46	10
47	11
48	7
49	3
50	5
51	6
52	9
53	4
54	14
55	8
56	11
57	12
58	8
59	9
60	6
61	10
62	3
63	7
64	15
65	16
66	14
67	12
68	9
69	13
70	10
71	11
72	14
73	4
74	15
75	16
76	17
77	7
78	18
79	13
80	10
81	14
82	11
83	3
84	4
85	8
86	16
87	9
88	6
89	12
90	15
91	7

n	a(n)
1	1
2	2
3	3
4	3
5	4
6	2
7	4
8	1
9	5
10	6
11	5
12	2
13	6
14	1
15	4
16	6
17	7
18	3
19	2
20	8
21	5
22	7
23	8
24	1
25	5
26	9
27	3
28	10
29	8
30	5
31	9
32	4
33	1
34	7
35	6
36	11
37	9
38	6
39	4
40	7
41	2
42	8
43	5
44	12
45	13
46	10
47	11
48	7
49	3
50	5
51	6
52	9
53	4
54	14
55	8
56	11
57	12
58	8
59	9
60	6
61	10
62	3
63	7
64	15
65	16
66	14
67	12
68	9
69	13
70	10
71	11
72	14
73	4
74	15
75	16
76	17
77	7
78	18
79	13
80	10
81	14
82	11
83	3
84	4
85	8
86	16
87	9
88	6
89	12
90	15
91	7

n	a(n)
1	1
2	2
3	3
4	3
5	4
6	2
7	4
8	1
9	5
10	6
11	5
12	2
13	6
14	1
15	4
16	6
17	7
18	3
19	2
20	8
21	5
22	7
23	8
24	1
25	5
26	9
27	3
28	10
29	8
30	5
31	9
32	4
33	1
34	7
35	6
36	11
37	9
38	6
39	4
40	7
41	2
42	8
43	5
44	12
45	13
46	10
47	11
48	7
49	3
50	5
51	6
52	9
53	4
54	14
55	8
56	11
57	12
58	8
59	9
60	6
61	10
62	3
63	7
64	15
65	16
66	14
67	12
68	9
69	13
70	10
71	11
72	14
73	4
74	15
75	16
76	17
77	7
78	18
79	13
80	10
81	14
82	11
83	3
84	4
85	8
86	16
87	9
88	6
89	12
90	15
91	7