A283113 - cp's OEIS frontend

A283113 Triangle read by rows: T(n,k) is the number of nonequivalent ways (mod D_3) to place k points on an n X n X n triangular grid so that no two of them are on the same row, column or diagonal (n >= 1).

n	a(n)
1	1
2	1
3	1
4	1
5	1
6	2
7	1
8	1
9	3
10	3
11	1
12	1
13	4
14	9
15	5
16	1
17	5
18	19
19	23
20	3
21	1
22	7
23	38
24	82
25	40
26	1
27	1
28	8
29	66
30	230
31	242
32	45
33	1
34	10
35	110
36	560
37	1038
38	533
39	29
40	1
41	12
42	170
43	1208
44	3504
45	3546
46	821
47	6
48	1
49	14
50	255
51	2392
52	9998
53	16917
54	9137
55	807
56	1
57	16
58	365
59	4405
60	25158
61	64345
62	63755
63	17408
64	422

[1, 1, 1, 1, 1, 2, 1, 1, 3, 3, 1, 1, 4, 9, 5, 1, 5, 19, 23, 3, 1, 7, 38, 82, 40, 1, 1, 8, 66, 230, 242, 45, 1, 10, 110, 560, 1038, 533, 29, 1, 12, 170, 1208, 3504, 3546, 821, 6, 1, 14, 255, 2392, 9998, 16917, 9137, 807, 1, 16, 365, 4405, 25158, 64345, 63755, 17408, 422]

cp's OEIS Frontend

A283113 Triangle read by rows: T(n,k) is the number of nonequivalent ways (mod D_3) to place k points on an n X n X n triangular grid so that no two of them are on the same row, column or diagonal (n >= 1).

Table of values

List of values