A368795 - cp's OEIS frontend

A368795 Lexicographically earliest sequence of nonnegative integers such that the doubly-infinite symmetric sequence b defined by b(n) = b(-n) = a(n) for any n >= 0 has no three equidistant terms in arithmetic progression.

n	a(n)
0	0
1	1
2	1
3	2
4	4
5	2
6	2
7	1
8	1
9	4
10	2
11	4
12	5
13	5
14	9
15	3
16	3
17	5
18	5
19	10
20	5
21	4
22	7
23	3
24	2
25	8
26	6
27	2
28	4
29	2
30	4
31	7
32	2
33	3
34	6
35	5
36	11
37	1
38	7
39	15
40	9
41	6
42	12
43	10
44	13
45	10
46	2
47	13
48	11
49	8
50	17
51	9
52	10
53	13
54	14
55	1
56	10
57	11
58	17
59	15
60	12
61	1
62	1
63	5
64	12
65	11
66	5
67	6
68	1
69	17
70	3
71	15
72	6
73	6
74	7
75	6
76	6
77	17
78	25

[0, 1, 1, 2, 4, 2, 2, 1, 1, 4, 2, 4, 5, 5, 9, 3, 3, 5, 5, 10, 5, 4, 7, 3, 2, 8, 6, 2, 4, 2, 4, 7, 2, 3, 6, 5, 11, 1, 7, 15, 9, 6, 12, 10, 13, 10, 2, 13, 11, 8, 17, 9, 10, 13, 14, 1, 10, 11, 17, 15, 12, 1, 1, 5, 12, 11, 5, 6, 1, 17, 3, 15, 6, 6, 7, 6, 6, 17, 25]

cp's OEIS Frontend

A368795 Lexicographically earliest sequence of nonnegative integers such that the doubly-infinite symmetric sequence b defined by b(n) = b(-n) = a(n) for any n >= 0 has no three equidistant terms in arithmetic progression.

Table of values

List of values

n	a(n)
0	0
1	1
2	1
3	2
4	4
5	2
6	2
7	1
8	1
9	4
10	2
11	4
12	5
13	5
14	9
15	3
16	3
17	5
18	5
19	10
20	5
21	4
22	7
23	3
24	2
25	8
26	6
27	2
28	4
29	2
30	4
31	7
32	2
33	3
34	6
35	5
36	11
37	1
38	7
39	15
40	9
41	6
42	12
43	10
44	13
45	10
46	2
47	13
48	11
49	8
50	17
51	9
52	10
53	13
54	14
55	1
56	10
57	11
58	17
59	15
60	12
61	1
62	1
63	5
64	12
65	11
66	5
67	6
68	1
69	17
70	3
71	15
72	6
73	6
74	7
75	6
76	6
77	17
78	25

n	a(n)
0	0
1	1
2	1
3	2
4	4
5	2
6	2
7	1
8	1
9	4
10	2
11	4
12	5
13	5
14	9
15	3
16	3
17	5
18	5
19	10
20	5
21	4
22	7
23	3
24	2
25	8
26	6
27	2
28	4
29	2
30	4
31	7
32	2
33	3
34	6
35	5
36	11
37	1
38	7
39	15
40	9
41	6
42	12
43	10
44	13
45	10
46	2
47	13
48	11
49	8
50	17
51	9
52	10
53	13
54	14
55	1
56	10
57	11
58	17
59	15
60	12
61	1
62	1
63	5
64	12
65	11
66	5
67	6
68	1
69	17
70	3
71	15
72	6
73	6
74	7
75	6
76	6
77	17
78	25

n	a(n)
0	0
1	1
2	1
3	2
4	4
5	2
6	2
7	1
8	1
9	4
10	2
11	4
12	5
13	5
14	9
15	3
16	3
17	5
18	5
19	10
20	5
21	4
22	7
23	3
24	2
25	8
26	6
27	2
28	4
29	2
30	4
31	7
32	2
33	3
34	6
35	5
36	11
37	1
38	7
39	15
40	9
41	6
42	12
43	10
44	13
45	10
46	2
47	13
48	11
49	8
50	17
51	9
52	10
53	13
54	14
55	1
56	10
57	11
58	17
59	15
60	12
61	1
62	1
63	5
64	12
65	11
66	5
67	6
68	1
69	17
70	3
71	15
72	6
73	6
74	7
75	6
76	6
77	17
78	25