A081170 - cp's OEIS frontend

A081170 Triangle in which n-th row gives trajectory of n (including n itself) under the map x -> x/2 if x is even, x -> x-3 if x is odd, stopping when reach 0 or 1.

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

[3, 0, 4, 2, 1, 5, 2, 1, 6, 3, 0, 7, 4, 2, 1, 8, 4, 2, 1, 9, 6, 3, 0, 10, 5, 2, 1, 11, 8, 4, 2, 1, 12, 6, 3, 0, 13, 10, 5, 2, 1, 14, 7, 4, 2, 1, 15, 12, 6, 3, 0, 16, 8, 4, 2, 1, 17, 14, 7, 4, 2, 1, 18, 9, 6, 3, 0, 19, 16, 8, 4, 2, 1, 20, 10, 5, 2, 1, 21, 18, 9, 6, 3, 0, 22, 11, 8, 4, 2, 1, 23, 20, 10, 5, 2]

cp's OEIS Frontend

A081170 Triangle in which n-th row gives trajectory of n (including n itself) under the map x -> x/2 if x is even, x -> x-3 if x is odd, stopping when reach 0 or 1.

Table of values

List of values

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

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

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