A281579 - cp's OEIS frontend

A281579 Lexicographically earliest sequence such that, for any n>0, a(n)=length of the n-th run of consecutive terms in arithmetic progression in this sequence.

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

[2, 2, 3, 3, 3, 4, 5, 4, 3, 3, 3, 3, 4, 5, 6, 7, 6, 5, 4, 4, 4, 3, 2, 2, 2, 3, 4, 4, 4, 4, 5, 6, 7, 8, 7, 6, 5, 4, 3, 3, 3, 3, 3, 3, 3, 4, 5, 6, 7, 8, 7, 6, 5, 4, 4, 4, 4, 5, 6, 7, 6, 5, 4, 4, 4, 2, 2, 3, 3, 3, 4, 5, 6, 5, 4, 3, 3, 3, 3, 4, 5, 6, 5, 4, 3, 2, 2]

cp's OEIS Frontend

A281579 Lexicographically earliest sequence such that, for any n>0, a(n)=length of the n-th run of consecutive terms in arithmetic progression in this sequence.

Table of values

List of values

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

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

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