A137894 - cp's OEIS frontend

A137894 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 n.

n	a(n)
1	1
2	3
3	3
4	4
5	7
6	9
7	7
8	12
9	9
10	10
11	11
12	17
13	13
14	21
15	21
16	16
17	17
18	27
19	19
20	38
21	21
22	33
23	23
24	24
25	25
26	39
27	27
28	28
29	41
30	30
31	31
32	48
33	33
34	51
35	49
36	51
37	37
38	57
39	39
40	40
41	41
42	63
43	43
44	44
45	63
46	69
47	47
48	72
49	49
50	75
51	51
52	52
53	53
54	81
55	77
56	84
57	57
58	78
59	59
60	90
61	61
62	93
63	63
64	64
65	91
66	99
67	67
68	68
69	69
70	99

[1, 3, 3, 4, 7, 9, 7, 12, 9, 10, 11, 17, 13, 21, 21, 16, 17, 27, 19, 38, 21, 33, 23, 24, 25, 39, 27, 28, 41, 30, 31, 48, 33, 51, 49, 51, 37, 57, 39, 40, 41, 63, 43, 44, 63, 69, 47, 72, 49, 75, 51, 52, 53, 81, 77, 84, 57, 78, 59, 90, 61, 93, 63, 64, 91, 99, 67, 68, 69, 99]

cp's OEIS Frontend

A137894 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 n.

Table of values

List of values

n	a(n)
1	1
2	3
3	3
4	4
5	7
6	9
7	7
8	12
9	9
10	10
11	11
12	17
13	13
14	21
15	21
16	16
17	17
18	27
19	19
20	38
21	21
22	33
23	23
24	24
25	25
26	39
27	27
28	28
29	41
30	30
31	31
32	48
33	33
34	51
35	49
36	51
37	37
38	57
39	39
40	40
41	41
42	63
43	43
44	44
45	63
46	69
47	47
48	72
49	49
50	75
51	51
52	52
53	53
54	81
55	77
56	84
57	57
58	78
59	59
60	90
61	61
62	93
63	63
64	64
65	91
66	99
67	67
68	68
69	69
70	99

n	a(n)
1	1
2	3
3	3
4	4
5	7
6	9
7	7
8	12
9	9
10	10
11	11
12	17
13	13
14	21
15	21
16	16
17	17
18	27
19	19
20	38
21	21
22	33
23	23
24	24
25	25
26	39
27	27
28	28
29	41
30	30
31	31
32	48
33	33
34	51
35	49
36	51
37	37
38	57
39	39
40	40
41	41
42	63
43	43
44	44
45	63
46	69
47	47
48	72
49	49
50	75
51	51
52	52
53	53
54	81
55	77
56	84
57	57
58	78
59	59
60	90
61	61
62	93
63	63
64	64
65	91
66	99
67	67
68	68
69	69
70	99

n	a(n)
1	1
2	3
3	3
4	4
5	7
6	9
7	7
8	12
9	9
10	10
11	11
12	17
13	13
14	21
15	21
16	16
17	17
18	27
19	19
20	38
21	21
22	33
23	23
24	24
25	25
26	39
27	27
28	28
29	41
30	30
31	31
32	48
33	33
34	51
35	49
36	51
37	37
38	57
39	39
40	40
41	41
42	63
43	43
44	44
45	63
46	69
47	47
48	72
49	49
50	75
51	51
52	52
53	53
54	81
55	77
56	84
57	57
58	78
59	59
60	90
61	61
62	93
63	63
64	64
65	91
66	99
67	67
68	68
69	69
70	99