A375834 - cp's OEIS frontend

A375834 Lexicographically earliest sequence of positive integers such that for any n > 0, Sum_{k = 1..n} 1/(k*a(n+1-k)) < 1.

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

[2, 2, 2, 3, 3, 3, 3, 3, 4, 3, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 5, 4, 5, 4, 5, 4, 5, 4, 5, 5, 5, 4, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 6, 5, 5, 5, 6, 5, 5, 6, 5, 5, 6, 5, 6, 5, 6, 5, 6, 5, 6, 5, 6, 5, 6]

cp's OEIS Frontend

A375834 Lexicographically earliest sequence of positive integers such that for any n > 0, Sum_{k = 1..n} 1/(k*a(n+1-k)) < 1.

Table of values

List of values

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

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

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