A085068 - cp's OEIS frontend

A085068 Number of steps >= 1 for iteration of map x -> (4/3)*ceiling(x) to reach an integer when started at n, or -1 if no such integer is ever reached.

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

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

cp's OEIS Frontend

A085068 Number of steps >= 1 for iteration of map x -> (4/3)*ceiling(x) to reach an integer when started at n, or -1 if no such integer is ever reached.

Table of values

List of values

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

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

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