A244500 - cp's OEIS frontend

A244500 Number T(n, k) of ways to place k points on an n X n X n triangular grid so that no pair of them has distance sqrt(3). Triangle read by rows.

n	a(n)
1	1
2	1
3	1
4	3
5	3
6	1
7	1
8	6
9	12
10	8
11	1
12	10
13	36
14	55
15	33
16	9
17	1
18	15
19	87
20	248
21	378
22	339
23	187
24	63
25	12
26	1
27	1
28	21
29	180
30	820
31	2190
32	3606
33	3716
34	2340
35	825
36	125
37	1
38	28
39	333
40	2212
41	9110
42	24474
43	43928
44	53018
45	42774
46	22792
47	7945
48	1764
49	196
50	1
51	36
52	567
53	5163
54	30300
55	121077
56	339621

[1, 1, 1, 3, 3, 1, 1, 6, 12, 8, 1, 10, 36, 55, 33, 9, 1, 15, 87, 248, 378, 339, 187, 63, 12, 1, 1, 21, 180, 820, 2190, 3606, 3716, 2340, 825, 125, 1, 28, 333, 2212, 9110, 24474, 43928, 53018, 42774, 22792, 7945, 1764, 196, 1, 36, 567, 5163, 30300, 121077, 339621]

cp's OEIS Frontend

A244500 Number T(n, k) of ways to place k points on an n X n X n triangular grid so that no pair of them has distance sqrt(3). Triangle read by rows.

Table of values

List of values