A309236 - cp's OEIS frontend

A309236 Langton's ant on a circular grid with 4-fold rotational symmetry: number of black cells on the grid after n moves of the ant.

n	a(n)
0	0
1	1
2	2
3	3
4	2
5	3
6	4
7	5
8	4
9	3
10	2
11	3
12	2
13	3
14	4
15	3
16	4
17	5
18	6
19	5
20	6
21	7
22	6
23	7
24	6
25	5
26	4
27	5
28	6
29	7
30	6
31	7
32	8
33	9
34	8
35	7
36	6
37	7
38	6
39	5
40	4
41	3
42	4
43	5
44	6
45	5
46	6
47	5
48	6
49	7
50	6
51	7
52	6
53	7
54	6
55	5
56	4
57	5
58	6
59	7
60	6
61	7
62	8
63	9
64	8
65	7
66	6
67	7
68	6
69	7
70	6
71	7
72	8
73	7
74	8
75	7
76	8
77	9
78	10
79	9
80	8
81	7
82	6
83	7
84	6
85	5
86	4

[0, 1, 2, 3, 2, 3, 4, 5, 4, 3, 2, 3, 2, 3, 4, 3, 4, 5, 6, 5, 6, 7, 6, 7, 6, 5, 4, 5, 6, 7, 6, 7, 8, 9, 8, 7, 6, 7, 6, 5, 4, 3, 4, 5, 6, 5, 6, 5, 6, 7, 6, 7, 6, 7, 6, 5, 4, 5, 6, 7, 6, 7, 8, 9, 8, 7, 6, 7, 6, 7, 6, 7, 8, 7, 8, 7, 8, 9, 10, 9, 8, 7, 6, 7, 6, 5, 4]

cp's OEIS Frontend

A309236 Langton's ant on a circular grid with 4-fold rotational symmetry: number of black cells on the grid after n moves of the ant.

Table of values

List of values

n	a(n)
0	0
1	1
2	2
3	3
4	2
5	3
6	4
7	5
8	4
9	3
10	2
11	3
12	2
13	3
14	4
15	3
16	4
17	5
18	6
19	5
20	6
21	7
22	6
23	7
24	6
25	5
26	4
27	5
28	6
29	7
30	6
31	7
32	8
33	9
34	8
35	7
36	6
37	7
38	6
39	5
40	4
41	3
42	4
43	5
44	6
45	5
46	6
47	5
48	6
49	7
50	6
51	7
52	6
53	7
54	6
55	5
56	4
57	5
58	6
59	7
60	6
61	7
62	8
63	9
64	8
65	7
66	6
67	7
68	6
69	7
70	6
71	7
72	8
73	7
74	8
75	7
76	8
77	9
78	10
79	9
80	8
81	7
82	6
83	7
84	6
85	5
86	4

n	a(n)
0	0
1	1
2	2
3	3
4	2
5	3
6	4
7	5
8	4
9	3
10	2
11	3
12	2
13	3
14	4
15	3
16	4
17	5
18	6
19	5
20	6
21	7
22	6
23	7
24	6
25	5
26	4
27	5
28	6
29	7
30	6
31	7
32	8
33	9
34	8
35	7
36	6
37	7
38	6
39	5
40	4
41	3
42	4
43	5
44	6
45	5
46	6
47	5
48	6
49	7
50	6
51	7
52	6
53	7
54	6
55	5
56	4
57	5
58	6
59	7
60	6
61	7
62	8
63	9
64	8
65	7
66	6
67	7
68	6
69	7
70	6
71	7
72	8
73	7
74	8
75	7
76	8
77	9
78	10
79	9
80	8
81	7
82	6
83	7
84	6
85	5
86	4

n	a(n)
0	0
1	1
2	2
3	3
4	2
5	3
6	4
7	5
8	4
9	3
10	2
11	3
12	2
13	3
14	4
15	3
16	4
17	5
18	6
19	5
20	6
21	7
22	6
23	7
24	6
25	5
26	4
27	5
28	6
29	7
30	6
31	7
32	8
33	9
34	8
35	7
36	6
37	7
38	6
39	5
40	4
41	3
42	4
43	5
44	6
45	5
46	6
47	5
48	6
49	7
50	6
51	7
52	6
53	7
54	6
55	5
56	4
57	5
58	6
59	7
60	6
61	7
62	8
63	9
64	8
65	7
66	6
67	7
68	6
69	7
70	6
71	7
72	8
73	7
74	8
75	7
76	8
77	9
78	10
79	9
80	8
81	7
82	6
83	7
84	6
85	5
86	4