A135506 - cp's OEIS frontend

A135506 a(n) = x(n+1)/x(n) - 1 where x(1)=1 and x(k) = x(k-1) + lcm(x(k-1),k). Here x(n) = A135504(n).

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

[2, 1, 2, 5, 1, 7, 1, 1, 5, 11, 1, 13, 1, 5, 1, 17, 1, 19, 1, 1, 11, 23, 1, 5, 13, 1, 1, 29, 1, 31, 1, 11, 17, 1, 1, 37, 1, 13, 1, 41, 1, 43, 1, 1, 23, 47, 1, 1, 1, 17, 13, 53, 1, 1, 1, 1, 29, 59, 1, 61, 1, 1, 1, 13, 1, 67, 1, 23, 1, 71, 1, 73, 1, 1, 1, 1, 13, 79, 1, 1, 41, 83, 1, 1, 43, 29, 1, 89]

cp's OEIS Frontend

A135506 a(n) = x(n+1)/x(n) - 1 where x(1)=1 and x(k) = x(k-1) + lcm(x(k-1),k). Here x(n) = A135504(n).

Table of values

List of values

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

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

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