A327479 - cp's OEIS frontend

A327479 a(n) is the minimum number of squares of unit area that must be removed from an n X n square to obtain a connected figure without holes and of the longest perimeter.

n	a(n)
0	0
1	0
2	0
3	4
4	6
5	12
6	16
7	28
8	32
9	44
10	52
11	68
12	76
13	92
14	104
15	124
16	136
17	156
18	172
19	196
20	212
21	236
22	256
23	284
24	304
25	332
26	356
27	388
28	412
29	444
30	472
31	508
32	536
33	572
34	604
35	644
36	676
37	716
38	752
39	796
40	832
41	876
42	916
43	964
44	1004
45	1052
46	1096
47	1148
48	1192
49	1244
50	1292
51	1348
52	1396
53	1452
54	1504

[0, 0, 0, 4, 6, 12, 16, 28, 32, 44, 52, 68, 76, 92, 104, 124, 136, 156, 172, 196, 212, 236, 256, 284, 304, 332, 356, 388, 412, 444, 472, 508, 536, 572, 604, 644, 676, 716, 752, 796, 832, 876, 916, 964, 1004, 1052, 1096, 1148, 1192, 1244, 1292, 1348, 1396, 1452, 1504]

cp's OEIS Frontend

A327479 a(n) is the minimum number of squares of unit area that must be removed from an n X n square to obtain a connected figure without holes and of the longest perimeter.

Table of values

List of values