A354673 - cp's OEIS frontend

A354673 Smallest number of unit cells that must be removed from an n X n square board in order to avoid any cycles.

n	a(n)
1	0
2	1
3	2
4	4
5	6
6	10
7	13
8	18
9	22
10	28
11	34
12	42
13	49
14	58
15	66
16	76
17	86
18	98
19	109
20	122
21	134
22	148
23	162
24	178
25	193
26	210
27	226
28	244
29	262
30	282
31	301
32	322
33	342
34	364
35	386
36	410
37	433
38	458
39	482
40	508
41	534
42	562
43	589
44	618
45	646
46	676
47	706
48	738
49	769
50	802
51	834
52	868
53	902
54	938
55	973
56	1010
57	1046

[0, 1, 2, 4, 6, 10, 13, 18, 22, 28, 34, 42, 49, 58, 66, 76, 86, 98, 109, 122, 134, 148, 162, 178, 193, 210, 226, 244, 262, 282, 301, 322, 342, 364, 386, 410, 433, 458, 482, 508, 534, 562, 589, 618, 646, 676, 706, 738, 769, 802, 834, 868, 902, 938, 973, 1010, 1046]

cp's OEIS Frontend

A354673 Smallest number of unit cells that must be removed from an n X n square board in order to avoid any cycles.

Table of values

List of values