A105141 - cp's OEIS frontend

A105141 Triangle read by rows, based on the morphism f: 1->{1,2,1}, 2->{2,3,2}, 3->{3,1,3}. First row is 1. If current row is a,b,c,..., then the next row is a,b,c,...,f(a),f(b),f(c),...

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

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

cp's OEIS Frontend

A105141 Triangle read by rows, based on the morphism f: 1->{1,2,1}, 2->{2,3,2}, 3->{3,1,3}. First row is 1. If current row is a,b,c,..., then the next row is a,b,c,...,f(a),f(b),f(c),...

Table of values

List of values

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

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

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