A085577 - cp's OEIS frontend

A085577 Size of maximal subset of the n^2 cells in an n X n grid such that there are at least 3 edges between any pair of chosen cells.

n	a(n)
1	1
2	1
3	2
4	4
5	6
6	8
7	10
8	13
9	17
10	20
11	25
12	29
13	34
14	40
15	45
16	52
17	58
18	65
19	73
20	80
21	89
22	97
23	106
24	116
25	125
26	136
27	146
28	157
29	169
30	180
31	193
32	205
33	218
34	232
35	245
36	260
37	274
38	289
39	305
40	320
41	337
42	353
43	370
44	388
45	405
46	424
47	442
48	461
49	481
50	500
51	521
52	541
53	562
54	584
55	605
56	628
57	650

[1, 1, 2, 4, 6, 8, 10, 13, 17, 20, 25, 29, 34, 40, 45, 52, 58, 65, 73, 80, 89, 97, 106, 116, 125, 136, 146, 157, 169, 180, 193, 205, 218, 232, 245, 260, 274, 289, 305, 320, 337, 353, 370, 388, 405, 424, 442, 461, 481, 500, 521, 541, 562, 584, 605, 628, 650]

cp's OEIS Frontend

A085577 Size of maximal subset of the n^2 cells in an n X n grid such that there are at least 3 edges between any pair of chosen cells.

Table of values

List of values

n	a(n)
1	1
2	1
3	2
4	4
5	6
6	8
7	10
8	13
9	17
10	20
11	25
12	29
13	34
14	40
15	45
16	52
17	58
18	65
19	73
20	80
21	89
22	97
23	106
24	116
25	125
26	136
27	146
28	157
29	169
30	180
31	193
32	205
33	218
34	232
35	245
36	260
37	274
38	289
39	305
40	320
41	337
42	353
43	370
44	388
45	405
46	424
47	442
48	461
49	481
50	500
51	521
52	541
53	562
54	584
55	605
56	628
57	650

n	a(n)
1	1
2	1
3	2
4	4
5	6
6	8
7	10
8	13
9	17
10	20
11	25
12	29
13	34
14	40
15	45
16	52
17	58
18	65
19	73
20	80
21	89
22	97
23	106
24	116
25	125
26	136
27	146
28	157
29	169
30	180
31	193
32	205
33	218
34	232
35	245
36	260
37	274
38	289
39	305
40	320
41	337
42	353
43	370
44	388
45	405
46	424
47	442
48	461
49	481
50	500
51	521
52	541
53	562
54	584
55	605
56	628
57	650

n	a(n)
1	1
2	1
3	2
4	4
5	6
6	8
7	10
8	13
9	17
10	20
11	25
12	29
13	34
14	40
15	45
16	52
17	58
18	65
19	73
20	80
21	89
22	97
23	106
24	116
25	125
26	136
27	146
28	157
29	169
30	180
31	193
32	205
33	218
34	232
35	245
36	260
37	274
38	289
39	305
40	320
41	337
42	353
43	370
44	388
45	405
46	424
47	442
48	461
49	481
50	500
51	521
52	541
53	562
54	584
55	605
56	628
57	650