A137902 - cp's OEIS frontend

A137902 Limiting sequence when we start with positive integers (A000027) and at step n >= 1 add to the term at position n + a(n) the value 1 if the term is odd, otherwise divide the term by 2.

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

[1, 1, 4, 4, 5, 6, 8, 4, 9, 5, 11, 3, 13, 14, 4, 16, 17, 9, 20, 20, 21, 11, 23, 24, 25, 13, 28, 14, 29, 30, 31, 16, 34, 17, 35, 36, 37, 38, 20, 20, 41, 22, 43, 44, 45, 23, 47, 12, 49, 25, 52, 52, 53, 54, 56, 56, 57, 29, 60, 16, 61, 31, 63, 32, 65, 66, 68, 68, 70, 35]

cp's OEIS Frontend

A137902 Limiting sequence when we start with positive integers (A000027) and at step n >= 1 add to the term at position n + a(n) the value 1 if the term is odd, otherwise divide the term by 2.

Table of values

List of values

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

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

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