A089520 - cp's OEIS frontend

A089520 In Conway's Game of Life, the number of steps it takes for an n X n square, in which all the cells are in the "on" state, to die out or start to cycle, or -1 if there is no cycle.

n	a(n)
1	1
2	0
3	5
4	4
5	11
6	5
7	5
8	6
9	16
10	17
11	32
12	9
13	18
14	9
15	22
16	11
17	33
18	17
19	20
20	12
21	26
22	13
23	48
24	15
25	46
26	26
27	295
28	45
29	154
30	38
31	62
32	309
33	38
34	87
35	78
36	53
37	96
38	150
39	641
40	69
41	82
42	265
43	216
44	70
45	70
46	70
47	120
48	401
49	107
50	78
51	70
52	351
53	318
54	109
55	297
56	95
57	122
58	-1
59	-1
60	85
61	232
62	294
63	127

[1, 0, 5, 4, 11, 5, 5, 6, 16, 17, 32, 9, 18, 9, 22, 11, 33, 17, 20, 12, 26, 13, 48, 15, 46, 26, 295, 45, 154, 38, 62, 309, 38, 87, 78, 53, 96, 150, 641, 69, 82, 265, 216, 70, 70, 70, 120, 401, 107, 78, 70, 351, 318, 109, 297, 95, 122, -1, -1, 85, 232, 294, 127]

cp's OEIS Frontend

A089520 In Conway's Game of Life, the number of steps it takes for an n X n square, in which all the cells are in the "on" state, to die out or start to cycle, or -1 if there is no cycle.

Table of values

List of values

n	a(n)
1	1
2	0
3	5
4	4
5	11
6	5
7	5
8	6
9	16
10	17
11	32
12	9
13	18
14	9
15	22
16	11
17	33
18	17
19	20
20	12
21	26
22	13
23	48
24	15
25	46
26	26
27	295
28	45
29	154
30	38
31	62
32	309
33	38
34	87
35	78
36	53
37	96
38	150
39	641
40	69
41	82
42	265
43	216
44	70
45	70
46	70
47	120
48	401
49	107
50	78
51	70
52	351
53	318
54	109
55	297
56	95
57	122
58	-1
59	-1
60	85
61	232
62	294
63	127

n	a(n)
1	1
2	0
3	5
4	4
5	11
6	5
7	5
8	6
9	16
10	17
11	32
12	9
13	18
14	9
15	22
16	11
17	33
18	17
19	20
20	12
21	26
22	13
23	48
24	15
25	46
26	26
27	295
28	45
29	154
30	38
31	62
32	309
33	38
34	87
35	78
36	53
37	96
38	150
39	641
40	69
41	82
42	265
43	216
44	70
45	70
46	70
47	120
48	401
49	107
50	78
51	70
52	351
53	318
54	109
55	297
56	95
57	122
58	-1
59	-1
60	85
61	232
62	294
63	127

n	a(n)
1	1
2	0
3	5
4	4
5	11
6	5
7	5
8	6
9	16
10	17
11	32
12	9
13	18
14	9
15	22
16	11
17	33
18	17
19	20
20	12
21	26
22	13
23	48
24	15
25	46
26	26
27	295
28	45
29	154
30	38
31	62
32	309
33	38
34	87
35	78
36	53
37	96
38	150
39	641
40	69
41	82
42	265
43	216
44	70
45	70
46	70
47	120
48	401
49	107
50	78
51	70
52	351
53	318
54	109
55	297
56	95
57	122
58	-1
59	-1
60	85
61	232
62	294
63	127