A257702 - cp's OEIS frontend

A257702 Number of steps from n to 0 using this algorithm: x -> floor(r*x) if x is odd, and x -> floor(x/r) if x is even, where r = sqrt(5).

n	a(n)
1	2
2	1
3	3
4	3
5	7
6	2
7	12
8	4
9	6
10	4
11	6
12	8
13	12
14	3
15	11
16	13
17	15
18	5
19	7
20	5
21	7
22	7
23	11
24	5
25	9
26	7
27	9
28	9
29	11
30	13
31	17
32	4
33	10
34	12
35	14
36	14
37	16
38	14
39	18
40	16
41	24
42	6
43	8
44	8
45	10
46	6
47	10
48	8
49	16
50	8
51	10
52	12
53	14
54	6
55	8
56	10
57	16
58	10
59	14
60	8
61	10
62	10
63	12
64	10
65	14
66	12
67	18
68	14
69	16
70	18
71	20
72	5
73	9

[2, 1, 3, 3, 7, 2, 12, 4, 6, 4, 6, 8, 12, 3, 11, 13, 15, 5, 7, 5, 7, 7, 11, 5, 9, 7, 9, 9, 11, 13, 17, 4, 10, 12, 14, 14, 16, 14, 18, 16, 24, 6, 8, 8, 10, 6, 10, 8, 16, 8, 10, 12, 14, 6, 8, 10, 16, 10, 14, 8, 10, 10, 12, 10, 14, 12, 18, 14, 16, 18, 20, 5, 9]

cp's OEIS Frontend

A257702 Number of steps from n to 0 using this algorithm: x -> floor(r*x) if x is odd, and x -> floor(x/r) if x is even, where r = sqrt(5).

Table of values

List of values

n	a(n)
1	2
2	1
3	3
4	3
5	7
6	2
7	12
8	4
9	6
10	4
11	6
12	8
13	12
14	3
15	11
16	13
17	15
18	5
19	7
20	5
21	7
22	7
23	11
24	5
25	9
26	7
27	9
28	9
29	11
30	13
31	17
32	4
33	10
34	12
35	14
36	14
37	16
38	14
39	18
40	16
41	24
42	6
43	8
44	8
45	10
46	6
47	10
48	8
49	16
50	8
51	10
52	12
53	14
54	6
55	8
56	10
57	16
58	10
59	14
60	8
61	10
62	10
63	12
64	10
65	14
66	12
67	18
68	14
69	16
70	18
71	20
72	5
73	9

n	a(n)
1	2
2	1
3	3
4	3
5	7
6	2
7	12
8	4
9	6
10	4
11	6
12	8
13	12
14	3
15	11
16	13
17	15
18	5
19	7
20	5
21	7
22	7
23	11
24	5
25	9
26	7
27	9
28	9
29	11
30	13
31	17
32	4
33	10
34	12
35	14
36	14
37	16
38	14
39	18
40	16
41	24
42	6
43	8
44	8
45	10
46	6
47	10
48	8
49	16
50	8
51	10
52	12
53	14
54	6
55	8
56	10
57	16
58	10
59	14
60	8
61	10
62	10
63	12
64	10
65	14
66	12
67	18
68	14
69	16
70	18
71	20
72	5
73	9

n	a(n)
1	2
2	1
3	3
4	3
5	7
6	2
7	12
8	4
9	6
10	4
11	6
12	8
13	12
14	3
15	11
16	13
17	15
18	5
19	7
20	5
21	7
22	7
23	11
24	5
25	9
26	7
27	9
28	9
29	11
30	13
31	17
32	4
33	10
34	12
35	14
36	14
37	16
38	14
39	18
40	16
41	24
42	6
43	8
44	8
45	10
46	6
47	10
48	8
49	16
50	8
51	10
52	12
53	14
54	6
55	8
56	10
57	16
58	10
59	14
60	8
61	10
62	10
63	12
64	10
65	14
66	12
67	18
68	14
69	16
70	18
71	20
72	5
73	9