A274650 - cp's OEIS frontend

A274650 Triangle read by rows: T(n,k), (0 <= k <= n), in which each term is the least nonnegative integer such that no row, column, diagonal, or antidiagonal contains a repeated term.

n	a(n)
0	0
1	1
2	2
3	3
4	0
5	1
6	2
7	4
8	3
9	5
10	5
11	1
12	0
13	2
14	3
15	4
16	3
17	5
18	1
19	6
20	7
21	6
22	7
23	2
24	0
25	5
26	4
27	8
28	8
29	5
30	9
31	4
32	7
33	2
34	10
35	6
36	7
37	10
38	8
39	3
40	0
41	6
42	9
43	5
44	4
45	11
46	6
47	12
48	7
49	1
50	8
51	3
52	10
53	9
54	13
55	9
56	8
57	4
58	11
59	2
60	0
61	1
62	12
63	6
64	7
65	10
66	10
67	11
68	7
69	12
70	4
71	3
72	2
73	9
74	8
75	14
76	13
77	15
78	12
79	9
80	10
81	6
82	8
83	1
84	0
85	11
86	7
87	4
88	16
89	14
90	17

[0, 1, 2, 3, 0, 1, 2, 4, 3, 5, 5, 1, 0, 2, 3, 4, 3, 5, 1, 6, 7, 6, 7, 2, 0, 5, 4, 8, 8, 5, 9, 4, 7, 2, 10, 6, 7, 10, 8, 3, 0, 6, 9, 5, 4, 11, 6, 12, 7, 1, 8, 3, 10, 9, 13, 9, 8, 4, 11, 2, 0, 1, 12, 6, 7, 10, 10, 11, 7, 12, 4, 3, 2, 9, 8, 14, 13, 15, 12, 9, 10, 6, 8, 1, 0, 11, 7, 4, 16, 14, 17]

cp's OEIS Frontend

A274650 Triangle read by rows: T(n,k), (0 <= k <= n), in which each term is the least nonnegative integer such that no row, column, diagonal, or antidiagonal contains a repeated term.

Table of values

List of values

n	a(n)
0	0
1	1
2	2
3	3
4	0
5	1
6	2
7	4
8	3
9	5
10	5
11	1
12	0
13	2
14	3
15	4
16	3
17	5
18	1
19	6
20	7
21	6
22	7
23	2
24	0
25	5
26	4
27	8
28	8
29	5
30	9
31	4
32	7
33	2
34	10
35	6
36	7
37	10
38	8
39	3
40	0
41	6
42	9
43	5
44	4
45	11
46	6
47	12
48	7
49	1
50	8
51	3
52	10
53	9
54	13
55	9
56	8
57	4
58	11
59	2
60	0
61	1
62	12
63	6
64	7
65	10
66	10
67	11
68	7
69	12
70	4
71	3
72	2
73	9
74	8
75	14
76	13
77	15
78	12
79	9
80	10
81	6
82	8
83	1
84	0
85	11
86	7
87	4
88	16
89	14
90	17

n	a(n)
0	0
1	1
2	2
3	3
4	0
5	1
6	2
7	4
8	3
9	5
10	5
11	1
12	0
13	2
14	3
15	4
16	3
17	5
18	1
19	6
20	7
21	6
22	7
23	2
24	0
25	5
26	4
27	8
28	8
29	5
30	9
31	4
32	7
33	2
34	10
35	6
36	7
37	10
38	8
39	3
40	0
41	6
42	9
43	5
44	4
45	11
46	6
47	12
48	7
49	1
50	8
51	3
52	10
53	9
54	13
55	9
56	8
57	4
58	11
59	2
60	0
61	1
62	12
63	6
64	7
65	10
66	10
67	11
68	7
69	12
70	4
71	3
72	2
73	9
74	8
75	14
76	13
77	15
78	12
79	9
80	10
81	6
82	8
83	1
84	0
85	11
86	7
87	4
88	16
89	14
90	17

n	a(n)
0	0
1	1
2	2
3	3
4	0
5	1
6	2
7	4
8	3
9	5
10	5
11	1
12	0
13	2
14	3
15	4
16	3
17	5
18	1
19	6
20	7
21	6
22	7
23	2
24	0
25	5
26	4
27	8
28	8
29	5
30	9
31	4
32	7
33	2
34	10
35	6
36	7
37	10
38	8
39	3
40	0
41	6
42	9
43	5
44	4
45	11
46	6
47	12
48	7
49	1
50	8
51	3
52	10
53	9
54	13
55	9
56	8
57	4
58	11
59	2
60	0
61	1
62	12
63	6
64	7
65	10
66	10
67	11
68	7
69	12
70	4
71	3
72	2
73	9
74	8
75	14
76	13
77	15
78	12
79	9
80	10
81	6
82	8
83	1
84	0
85	11
86	7
87	4
88	16
89	14
90	17