A352285 - cp's OEIS frontend

A352285 a(n) is the number of steps in John Conway's game of life that it takes for the smallest square checkerboard pattern with a diagonal of n living cells to either die out or enter a cycle; or -1 if it never cycles.

n	a(n)
1	1
2	1
3	1
4	1
5	3
6	4
7	4
8	4
9	40
10	7
11	58
12	9
13	38
14	8
15	37
16	29
17	71
18	55
19	51
20	41
21	49
22	70
23	60
24	93
25	102
26	79
27	333
28	123
29	181
30	69
31	200
32	279
33	372
34	117
35	188
36	212
37	122
38	137
39	263
40	576
41	96
42	149
43	225
44	169
45	150
46	276
47	-1
48	304
49	281
50	106
51	215
52	160
53	206
54	197
55	-1
56	359
57	221
58	355
59	-1
60	447
61	178
62	314
63	431

[1, 1, 1, 1, 3, 4, 4, 4, 40, 7, 58, 9, 38, 8, 37, 29, 71, 55, 51, 41, 49, 70, 60, 93, 102, 79, 333, 123, 181, 69, 200, 279, 372, 117, 188, 212, 122, 137, 263, 576, 96, 149, 225, 169, 150, 276, -1, 304, 281, 106, 215, 160, 206, 197, -1, 359, 221, 355, -1, 447, 178, 314, 431]

cp's OEIS Frontend

A352285 a(n) is the number of steps in John Conway's game of life that it takes for the smallest square checkerboard pattern with a diagonal of n living cells to either die out or enter a cycle; or -1 if it never cycles.

Table of values

List of values

n	a(n)
1	1
2	1
3	1
4	1
5	3
6	4
7	4
8	4
9	40
10	7
11	58
12	9
13	38
14	8
15	37
16	29
17	71
18	55
19	51
20	41
21	49
22	70
23	60
24	93
25	102
26	79
27	333
28	123
29	181
30	69
31	200
32	279
33	372
34	117
35	188
36	212
37	122
38	137
39	263
40	576
41	96
42	149
43	225
44	169
45	150
46	276
47	-1
48	304
49	281
50	106
51	215
52	160
53	206
54	197
55	-1
56	359
57	221
58	355
59	-1
60	447
61	178
62	314
63	431

n	a(n)
1	1
2	1
3	1
4	1
5	3
6	4
7	4
8	4
9	40
10	7
11	58
12	9
13	38
14	8
15	37
16	29
17	71
18	55
19	51
20	41
21	49
22	70
23	60
24	93
25	102
26	79
27	333
28	123
29	181
30	69
31	200
32	279
33	372
34	117
35	188
36	212
37	122
38	137
39	263
40	576
41	96
42	149
43	225
44	169
45	150
46	276
47	-1
48	304
49	281
50	106
51	215
52	160
53	206
54	197
55	-1
56	359
57	221
58	355
59	-1
60	447
61	178
62	314
63	431

n	a(n)
1	1
2	1
3	1
4	1
5	3
6	4
7	4
8	4
9	40
10	7
11	58
12	9
13	38
14	8
15	37
16	29
17	71
18	55
19	51
20	41
21	49
22	70
23	60
24	93
25	102
26	79
27	333
28	123
29	181
30	69
31	200
32	279
33	372
34	117
35	188
36	212
37	122
38	137
39	263
40	576
41	96
42	149
43	225
44	169
45	150
46	276
47	-1
48	304
49	281
50	106
51	215
52	160
53	206
54	197
55	-1
56	359
57	221
58	355
59	-1
60	447
61	178
62	314
63	431