A240444 - cp's OEIS frontend

A240444 Triangle T(n, k) = Number of ways to arrange k indistinguishable points on an n X n square grid so that no four of them are vertices of a square of any orientation.

n	a(n)
1	1
2	1
3	1
4	4
5	6
6	4
7	1
8	9
9	36
10	84
11	120
12	96
13	32
14	1
15	16
16	120
17	560
18	1800
19	4128
20	6726
21	7492
22	5238
23	1924
24	232
25	1
26	25
27	300
28	2300
29	12600
30	52080
31	166702
32	416622
33	808488
34	1196196
35	1306464
36	1001364
37	497940
38	141336
39	18208
40	636
41	1
42	36
43	630
44	7140
45	58800
46	373632
47	1895938
48	7835492

[1, 1, 1, 4, 6, 4, 1, 9, 36, 84, 120, 96, 32, 1, 16, 120, 560, 1800, 4128, 6726, 7492, 5238, 1924, 232, 1, 25, 300, 2300, 12600, 52080, 166702, 416622, 808488, 1196196, 1306464, 1001364, 497940, 141336, 18208, 636, 1, 36, 630, 7140, 58800, 373632, 1895938, 7835492]

cp's OEIS Frontend

A240444 Triangle T(n, k) = Number of ways to arrange k indistinguishable points on an n X n square grid so that no four of them are vertices of a square of any orientation.

Table of values

List of values