A137903 - cp's OEIS frontend

A137903 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 a(n) if the term is odd, else divide the term by 2.

n	a(n)
1	1
2	1
3	4
4	4
5	5
6	6
7	11
8	4
9	9
10	5
11	11
12	3
13	13
14	14
15	10
16	16
17	17
18	18
19	19
20	20
21	21
22	11
23	23
24	24
25	35
26	13
27	27
28	14
29	29
30	30
31	31
32	16
33	44
34	17
35	35
36	18
37	37
38	19
39	52
40	20
41	41
42	35
43	43
44	44
45	45
46	23
47	47
48	12
49	49
50	50
51	68
52	52
53	53
54	45
55	55
56	56
57	76
58	29
59	59
60	47
61	61
62	31
63	63
64	64
65	65
66	66
67	67
68	68
69	92
70	35

[1, 1, 4, 4, 5, 6, 11, 4, 9, 5, 11, 3, 13, 14, 10, 16, 17, 18, 19, 20, 21, 11, 23, 24, 35, 13, 27, 14, 29, 30, 31, 16, 44, 17, 35, 18, 37, 19, 52, 20, 41, 35, 43, 44, 45, 23, 47, 12, 49, 50, 68, 52, 53, 45, 55, 56, 76, 29, 59, 47, 61, 31, 63, 64, 65, 66, 67, 68, 92, 35]

cp's OEIS Frontend

A137903 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 a(n) if the term is odd, else 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	11
8	4
9	9
10	5
11	11
12	3
13	13
14	14
15	10
16	16
17	17
18	18
19	19
20	20
21	21
22	11
23	23
24	24
25	35
26	13
27	27
28	14
29	29
30	30
31	31
32	16
33	44
34	17
35	35
36	18
37	37
38	19
39	52
40	20
41	41
42	35
43	43
44	44
45	45
46	23
47	47
48	12
49	49
50	50
51	68
52	52
53	53
54	45
55	55
56	56
57	76
58	29
59	59
60	47
61	61
62	31
63	63
64	64
65	65
66	66
67	67
68	68
69	92
70	35

n	a(n)
1	1
2	1
3	4
4	4
5	5
6	6
7	11
8	4
9	9
10	5
11	11
12	3
13	13
14	14
15	10
16	16
17	17
18	18
19	19
20	20
21	21
22	11
23	23
24	24
25	35
26	13
27	27
28	14
29	29
30	30
31	31
32	16
33	44
34	17
35	35
36	18
37	37
38	19
39	52
40	20
41	41
42	35
43	43
44	44
45	45
46	23
47	47
48	12
49	49
50	50
51	68
52	52
53	53
54	45
55	55
56	56
57	76
58	29
59	59
60	47
61	61
62	31
63	63
64	64
65	65
66	66
67	67
68	68
69	92
70	35

n	a(n)
1	1
2	1
3	4
4	4
5	5
6	6
7	11
8	4
9	9
10	5
11	11
12	3
13	13
14	14
15	10
16	16
17	17
18	18
19	19
20	20
21	21
22	11
23	23
24	24
25	35
26	13
27	27
28	14
29	29
30	30
31	31
32	16
33	44
34	17
35	35
36	18
37	37
38	19
39	52
40	20
41	41
42	35
43	43
44	44
45	45
46	23
47	47
48	12
49	49
50	50
51	68
52	52
53	53
54	45
55	55
56	56
57	76
58	29
59	59
60	47
61	61
62	31
63	63
64	64
65	65
66	66
67	67
68	68
69	92
70	35