A105265 - cp's OEIS frontend

A105265 Concatenation of letters of words obtained from axiom "1" and the iterates of the substitutions '1' -> "12", '2' -> "3", '3' -> "4", '4' -> "1".

n	a(n)
0	1
1	1
2	2
3	1
4	2
5	1
6	2
7	3
8	1
9	2
10	1
11	2
12	3
13	1
14	2
15	3
16	1
17	2
18	3
19	4
20	1
21	2
22	1
23	2
24	3
25	1
26	2
27	3
28	1
29	2
30	3
31	4
32	1
33	2
34	3
35	1
36	2
37	3
38	4
39	1
40	2
41	3
42	4
43	1
44	2
45	3
46	4
47	1
48	1
49	2
50	1
51	2
52	3
53	1
54	2
55	3
56	1
57	2
58	3
59	4
60	1
61	2
62	3
63	1
64	2
65	3
66	4
67	1
68	2
69	3
70	4
71	1
72	2
73	3
74	4
75	1
76	1
77	2
78	3
79	1
80	2
81	3
82	4
83	1
84	2
85	3
86	4
87	1
88	2
89	3
90	4
91	1
92	1
93	2
94	3
95	4
96	1
97	2
98	3
99	4
100	1
101	1
102	2
103	3
104	4

[1, 1, 2, 1, 2, 1, 2, 3, 1, 2, 1, 2, 3, 1, 2, 3, 1, 2, 3, 4, 1, 2, 1, 2, 3, 1, 2, 3, 1, 2, 3, 4, 1, 2, 3, 1, 2, 3, 4, 1, 2, 3, 4, 1, 2, 3, 4, 1, 1, 2, 1, 2, 3, 1, 2, 3, 1, 2, 3, 4, 1, 2, 3, 1, 2, 3, 4, 1, 2, 3, 4, 1, 2, 3, 4, 1, 1, 2, 3, 1, 2, 3, 4, 1, 2, 3, 4, 1, 2, 3, 4, 1, 1, 2, 3, 4, 1, 2, 3, 4, 1, 1, 2, 3, 4]

cp's OEIS Frontend

A105265 Concatenation of letters of words obtained from axiom "1" and the iterates of the substitutions '1' -> "12", '2' -> "3", '3' -> "4", '4' -> "1".

Table of values

List of values

n	a(n)
0	1
1	1
2	2
3	1
4	2
5	1
6	2
7	3
8	1
9	2
10	1
11	2
12	3
13	1
14	2
15	3
16	1
17	2
18	3
19	4
20	1
21	2
22	1
23	2
24	3
25	1
26	2
27	3
28	1
29	2
30	3
31	4
32	1
33	2
34	3
35	1
36	2
37	3
38	4
39	1
40	2
41	3
42	4
43	1
44	2
45	3
46	4
47	1
48	1
49	2
50	1
51	2
52	3
53	1
54	2
55	3
56	1
57	2
58	3
59	4
60	1
61	2
62	3
63	1
64	2
65	3
66	4
67	1
68	2
69	3
70	4
71	1
72	2
73	3
74	4
75	1
76	1
77	2
78	3
79	1
80	2
81	3
82	4
83	1
84	2
85	3
86	4
87	1
88	2
89	3
90	4
91	1
92	1
93	2
94	3
95	4
96	1
97	2
98	3
99	4
100	1
101	1
102	2
103	3
104	4

n	a(n)
0	1
1	1
2	2
3	1
4	2
5	1
6	2
7	3
8	1
9	2
10	1
11	2
12	3
13	1
14	2
15	3
16	1
17	2
18	3
19	4
20	1
21	2
22	1
23	2
24	3
25	1
26	2
27	3
28	1
29	2
30	3
31	4
32	1
33	2
34	3
35	1
36	2
37	3
38	4
39	1
40	2
41	3
42	4
43	1
44	2
45	3
46	4
47	1
48	1
49	2
50	1
51	2
52	3
53	1
54	2
55	3
56	1
57	2
58	3
59	4
60	1
61	2
62	3
63	1
64	2
65	3
66	4
67	1
68	2
69	3
70	4
71	1
72	2
73	3
74	4
75	1
76	1
77	2
78	3
79	1
80	2
81	3
82	4
83	1
84	2
85	3
86	4
87	1
88	2
89	3
90	4
91	1
92	1
93	2
94	3
95	4
96	1
97	2
98	3
99	4
100	1
101	1
102	2
103	3
104	4

n	a(n)
0	1
1	1
2	2
3	1
4	2
5	1
6	2
7	3
8	1
9	2
10	1
11	2
12	3
13	1
14	2
15	3
16	1
17	2
18	3
19	4
20	1
21	2
22	1
23	2
24	3
25	1
26	2
27	3
28	1
29	2
30	3
31	4
32	1
33	2
34	3
35	1
36	2
37	3
38	4
39	1
40	2
41	3
42	4
43	1
44	2
45	3
46	4
47	1
48	1
49	2
50	1
51	2
52	3
53	1
54	2
55	3
56	1
57	2
58	3
59	4
60	1
61	2
62	3
63	1
64	2
65	3
66	4
67	1
68	2
69	3
70	4
71	1
72	2
73	3
74	4
75	1
76	1
77	2
78	3
79	1
80	2
81	3
82	4
83	1
84	2
85	3
86	4
87	1
88	2
89	3
90	4
91	1
92	1
93	2
94	3
95	4
96	1
97	2
98	3
99	4
100	1
101	1
102	2
103	3
104	4