A323073 - cp's OEIS frontend

A323073 Number of iterations of A049820(x) = x - A000005(x) needed to reach either zero or such x that x and A049820(x) are coprime, when starting from x = n.

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

[0, 0, 1, 0, 0, 0, 2, 0, 1, 3, 3, 0, 3, 0, 4, 0, 0, 0, 4, 0, 5, 0, 5, 0, 1, 0, 6, 0, 6, 0, 6, 0, 7, 0, 7, 0, 1, 0, 8, 0, 8, 0, 8, 0, 9, 1, 9, 0, 9, 0, 10, 0, 10, 0, 10, 0, 10, 0, 11, 0, 10, 0, 12, 1, 0, 0, 12, 0, 13, 0, 13, 0, 11, 0, 14, 1, 14, 0, 14, 0, 14, 0, 15, 0, 12, 0, 16, 0, 15, 0, 15, 0, 17, 0, 16, 0, 13, 0]

cp's OEIS Frontend

A323073 Number of iterations of A049820(x) = x - A000005(x) needed to reach either zero or such x that x and A049820(x) are coprime, when starting from x = n.

Table of values

List of values

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

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

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