A006447 - cp's OEIS frontend

A006447 Consider a 2-D cellular automaton generated by the Schrandt-Ulam rule of A170896, but confined to a semi-infinite strip of width n, starting with one ON cell at the top left corner; a(n) is the period of the resulting structure.

n	a(n)
1	1
2	2
3	3
4	5
5	5
6	8
7	13
8	13
9	13
10	26
11	13
12	91
13	13
14	106
15	106
16	75
17	93
18	62
19	80
20	132
21	337
22	416
23	62
24	62
25	62
26	271
27	34
28	155
29	525
30	548
31	1084
32	115
33	62
34	558
35	62
36	1500
37	2922
38	124
39	2958
40	3374
41	2323
42	4183
43	8073
44	7925
45	744
46	2298
47	434
48	6700
49	310
50	23796
51	12732
52	26405

[1, 2, 3, 5, 5, 8, 13, 13, 13, 26, 13, 91, 13, 106, 106, 75, 93, 62, 80, 132, 337, 416, 62, 62, 62, 271, 34, 155, 525, 548, 1084, 115, 62, 558, 62, 1500, 2922, 124, 2958, 3374, 2323, 4183, 8073, 7925, 744, 2298, 434, 6700, 310, 23796, 12732, 26405]

cp's OEIS Frontend

A006447 Consider a 2-D cellular automaton generated by the Schrandt-Ulam rule of A170896, but confined to a semi-infinite strip of width n, starting with one ON cell at the top left corner; a(n) is the period of the resulting structure.

Table of values

List of values