A322286 - cp's OEIS frontend

A322286 Lexicographically earliest sequence of positive integers without 4 terms in a weakly increasing arithmetic progression.

n	a(n)
1	1
2	1
3	1
4	2
5	1
6	1
7	2
8	1
9	1
10	1
11	2
12	2
13	2
14	3
15	1
16	1
17	1
18	2
19	1
20	2
21	2
22	2
23	3
24	3
25	3
26	1
27	1
28	3
29	1
30	1
31	1
32	2
33	2
34	1
35	2
36	2
37	1
38	2
39	2
40	2
41	3
42	3
43	2
44	3
45	2
46	3
47	3
48	5
49	1
50	1
51	1
52	3
53	1
54	1
55	3
56	1
57	1
58	1
59	2
60	2
61	2
62	3
63	1
64	2
65	1
66	1
67	1
68	2
69	2
70	2
71	3
72	4
73	2
74	3
75	2
76	2
77	2
78	3
79	3
80	1
81	3
82	3
83	3
84	5
85	5
86	4
87	1
88	1
89	1
90	3
91	1
92	2
93	3
94	1
95	5
96	3
97	2
98	6
99	1
100	3
101	2
102	1
103	3
104	2
105	1
106	1
107	3
108	3
109	1
110	1
111	1

[1, 1, 1, 2, 1, 1, 2, 1, 1, 1, 2, 2, 2, 3, 1, 1, 1, 2, 1, 2, 2, 2, 3, 3, 3, 1, 1, 3, 1, 1, 1, 2, 2, 1, 2, 2, 1, 2, 2, 2, 3, 3, 2, 3, 2, 3, 3, 5, 1, 1, 1, 3, 1, 1, 3, 1, 1, 1, 2, 2, 2, 3, 1, 2, 1, 1, 1, 2, 2, 2, 3, 4, 2, 3, 2, 2, 2, 3, 3, 1, 3, 3, 3, 5, 5, 4, 1, 1, 1, 3, 1, 2, 3, 1, 5, 3, 2, 6, 1, 3, 2, 1, 3, 2, 1, 1, 3, 3, 1, 1, 1]

cp's OEIS Frontend

A322286 Lexicographically earliest sequence of positive integers without 4 terms in a weakly increasing arithmetic progression.

Table of values

List of values

n	a(n)
1	1
2	1
3	1
4	2
5	1
6	1
7	2
8	1
9	1
10	1
11	2
12	2
13	2
14	3
15	1
16	1
17	1
18	2
19	1
20	2
21	2
22	2
23	3
24	3
25	3
26	1
27	1
28	3
29	1
30	1
31	1
32	2
33	2
34	1
35	2
36	2
37	1
38	2
39	2
40	2
41	3
42	3
43	2
44	3
45	2
46	3
47	3
48	5
49	1
50	1
51	1
52	3
53	1
54	1
55	3
56	1
57	1
58	1
59	2
60	2
61	2
62	3
63	1
64	2
65	1
66	1
67	1
68	2
69	2
70	2
71	3
72	4
73	2
74	3
75	2
76	2
77	2
78	3
79	3
80	1
81	3
82	3
83	3
84	5
85	5
86	4
87	1
88	1
89	1
90	3
91	1
92	2
93	3
94	1
95	5
96	3
97	2
98	6
99	1
100	3
101	2
102	1
103	3
104	2
105	1
106	1
107	3
108	3
109	1
110	1
111	1

n	a(n)
1	1
2	1
3	1
4	2
5	1
6	1
7	2
8	1
9	1
10	1
11	2
12	2
13	2
14	3
15	1
16	1
17	1
18	2
19	1
20	2
21	2
22	2
23	3
24	3
25	3
26	1
27	1
28	3
29	1
30	1
31	1
32	2
33	2
34	1
35	2
36	2
37	1
38	2
39	2
40	2
41	3
42	3
43	2
44	3
45	2
46	3
47	3
48	5
49	1
50	1
51	1
52	3
53	1
54	1
55	3
56	1
57	1
58	1
59	2
60	2
61	2
62	3
63	1
64	2
65	1
66	1
67	1
68	2
69	2
70	2
71	3
72	4
73	2
74	3
75	2
76	2
77	2
78	3
79	3
80	1
81	3
82	3
83	3
84	5
85	5
86	4
87	1
88	1
89	1
90	3
91	1
92	2
93	3
94	1
95	5
96	3
97	2
98	6
99	1
100	3
101	2
102	1
103	3
104	2
105	1
106	1
107	3
108	3
109	1
110	1
111	1

n	a(n)
1	1
2	1
3	1
4	2
5	1
6	1
7	2
8	1
9	1
10	1
11	2
12	2
13	2
14	3
15	1
16	1
17	1
18	2
19	1
20	2
21	2
22	2
23	3
24	3
25	3
26	1
27	1
28	3
29	1
30	1
31	1
32	2
33	2
34	1
35	2
36	2
37	1
38	2
39	2
40	2
41	3
42	3
43	2
44	3
45	2
46	3
47	3
48	5
49	1
50	1
51	1
52	3
53	1
54	1
55	3
56	1
57	1
58	1
59	2
60	2
61	2
62	3
63	1
64	2
65	1
66	1
67	1
68	2
69	2
70	2
71	3
72	4
73	2
74	3
75	2
76	2
77	2
78	3
79	3
80	1
81	3
82	3
83	3
84	5
85	5
86	4
87	1
88	1
89	1
90	3
91	1
92	2
93	3
94	1
95	5
96	3
97	2
98	6
99	1
100	3
101	2
102	1
103	3
104	2
105	1
106	1
107	3
108	3
109	1
110	1
111	1