A377539 - cp's OEIS frontend

A377539 The number of iterations of the map x -> x + A000005(x), starting from n, until reaching an even number, and always at least one iteration taken.

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

[1, 1, 4, 3, 3, 1, 2, 1, 1, 1, 6, 1, 5, 1, 4, 3, 4, 1, 3, 1, 2, 1, 2, 1, 1, 1, 16, 1, 16, 1, 15, 1, 14, 1, 13, 11, 13, 1, 12, 1, 12, 1, 11, 1, 10, 1, 2, 1, 1, 1, 9, 1, 9, 1, 8, 1, 7, 1, 7, 1, 6, 1, 5, 5, 5, 1, 5, 1, 4, 1, 4, 1, 3, 1, 2, 1, 2, 1, 2, 1, 1, 1, 38, 1, 37, 1, 36, 1, 36, 1, 35, 1, 35]

cp's OEIS Frontend

A377539 The number of iterations of the map x -> x + A000005(x), starting from n, until reaching an even number, and always at least one iteration taken.

Table of values

List of values

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

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

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