A327480 - cp's OEIS frontend

A327480 a(n) is the maximum number of squares of unit area that can be removed from an n X n square while still obtaining a connected figure without holes and of the longest perimeter.

n	a(n)
0	0
1	0
2	2
3	4
4	8
5	12
6	22
7	28
8	40
9	48
10	64
11	76
12	94
13	108
14	130
15	148
16	172
17	192
18	220
19	244
20	274
21	300
22	334
23	364
24	400
25	432
26	472
27	508
28	550
29	588
30	634
31	676
32	724
33	768
34	820
35	868
36	922
37	972
38	1030
39	1084
40	1144
41	1200
42	1264
43	1324
44	1390
45	1452
46	1522
47	1588
48	1660
49	1728
50	1804
51	1876
52	1954

[0, 0, 2, 4, 8, 12, 22, 28, 40, 48, 64, 76, 94, 108, 130, 148, 172, 192, 220, 244, 274, 300, 334, 364, 400, 432, 472, 508, 550, 588, 634, 676, 724, 768, 820, 868, 922, 972, 1030, 1084, 1144, 1200, 1264, 1324, 1390, 1452, 1522, 1588, 1660, 1728, 1804, 1876, 1954]

cp's OEIS Frontend

A327480 a(n) is the maximum number of squares of unit area that can be removed from an n X n square while still obtaining a connected figure without holes and of the longest perimeter.

Table of values

List of values