A087704 - cp's OEIS frontend

A087704 Number of steps for iteration of map x -> (5/3)*floor(x) to reach an integer > n when started at n, or -1 if no such integer is ever reached.

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

[2, 1, 2, 4, 1, 3, 3, 1, 9, 2, 1, 2, 4, 1, 8, 5, 1, 3, 2, 1, 2, 3, 1, 9, 7, 1, 4, 2, 1, 2, 5, 1, 3, 3, 1, 4, 2, 1, 2, 8, 1, 6, 4, 1, 3, 2, 1, 2, 3, 1, 5, 4, 1, 6, 2, 1, 2, 7, 1, 3, 3, 1, 6, 2, 1, 2, 7, 1, 4, 5, 1, 3, 2, 1, 2, 3, 1, 4, 7, 1, 10, 2, 1, 2, 4, 1, 3, 3, 1, 5, 2, 1, 2, 4, 1, 8, 6, 1, 3]

cp's OEIS Frontend

A087704 Number of steps for iteration of map x -> (5/3)*floor(x) to reach an integer > n when started at n, or -1 if no such integer is ever reached.

Table of values

List of values

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

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

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