A248625 - cp's OEIS frontend

A248625 Lexicographically earliest sequence of nonnegative integers such that no triple (a(n),a(n+d),a(n+2d)) is in arithmetic progression, for any d>0, n>=0.

n	a(n)
0	0
1	0
2	1
3	0
4	0
5	1
6	1
7	3
8	3
9	0
10	0
11	1
12	0
13	0
14	1
15	1
16	3
17	3
18	1
19	3
20	3
21	4
22	4
23	7
24	4
25	4
26	8
27	0
28	0
29	1
30	0
31	0
32	1
33	1
34	3
35	3
36	0
37	0
38	1
39	0
40	0
41	1
42	1
43	3
44	3
45	1
46	3
47	3
48	4
49	4
50	7
51	4
52	4
53	8
54	8
55	3
56	3
57	4
58	4
59	9
60	4
61	4
62	9
63	1
64	9
65	12
66	10
67	9
68	7
69	10
70	12
71	9
72	11
73	9
74	9
75	11
76	9
77	10
78	13
79	19
80	12
81	0
82	0
83	1
84	0
85	0
86	1
87	1
88	3
89	3

[0, 0, 1, 0, 0, 1, 1, 3, 3, 0, 0, 1, 0, 0, 1, 1, 3, 3, 1, 3, 3, 4, 4, 7, 4, 4, 8, 0, 0, 1, 0, 0, 1, 1, 3, 3, 0, 0, 1, 0, 0, 1, 1, 3, 3, 1, 3, 3, 4, 4, 7, 4, 4, 8, 8, 3, 3, 4, 4, 9, 4, 4, 9, 1, 9, 12, 10, 9, 7, 10, 12, 9, 11, 9, 9, 11, 9, 10, 13, 19, 12, 0, 0, 1, 0, 0, 1, 1, 3, 3]

cp's OEIS Frontend

A248625 Lexicographically earliest sequence of nonnegative integers such that no triple (a(n),a(n+d),a(n+2d)) is in arithmetic progression, for any d>0, n>=0.

Table of values

List of values

n	a(n)
0	0
1	0
2	1
3	0
4	0
5	1
6	1
7	3
8	3
9	0
10	0
11	1
12	0
13	0
14	1
15	1
16	3
17	3
18	1
19	3
20	3
21	4
22	4
23	7
24	4
25	4
26	8
27	0
28	0
29	1
30	0
31	0
32	1
33	1
34	3
35	3
36	0
37	0
38	1
39	0
40	0
41	1
42	1
43	3
44	3
45	1
46	3
47	3
48	4
49	4
50	7
51	4
52	4
53	8
54	8
55	3
56	3
57	4
58	4
59	9
60	4
61	4
62	9
63	1
64	9
65	12
66	10
67	9
68	7
69	10
70	12
71	9
72	11
73	9
74	9
75	11
76	9
77	10
78	13
79	19
80	12
81	0
82	0
83	1
84	0
85	0
86	1
87	1
88	3
89	3

n	a(n)
0	0
1	0
2	1
3	0
4	0
5	1
6	1
7	3
8	3
9	0
10	0
11	1
12	0
13	0
14	1
15	1
16	3
17	3
18	1
19	3
20	3
21	4
22	4
23	7
24	4
25	4
26	8
27	0
28	0
29	1
30	0
31	0
32	1
33	1
34	3
35	3
36	0
37	0
38	1
39	0
40	0
41	1
42	1
43	3
44	3
45	1
46	3
47	3
48	4
49	4
50	7
51	4
52	4
53	8
54	8
55	3
56	3
57	4
58	4
59	9
60	4
61	4
62	9
63	1
64	9
65	12
66	10
67	9
68	7
69	10
70	12
71	9
72	11
73	9
74	9
75	11
76	9
77	10
78	13
79	19
80	12
81	0
82	0
83	1
84	0
85	0
86	1
87	1
88	3
89	3

n	a(n)
0	0
1	0
2	1
3	0
4	0
5	1
6	1
7	3
8	3
9	0
10	0
11	1
12	0
13	0
14	1
15	1
16	3
17	3
18	1
19	3
20	3
21	4
22	4
23	7
24	4
25	4
26	8
27	0
28	0
29	1
30	0
31	0
32	1
33	1
34	3
35	3
36	0
37	0
38	1
39	0
40	0
41	1
42	1
43	3
44	3
45	1
46	3
47	3
48	4
49	4
50	7
51	4
52	4
53	8
54	8
55	3
56	3
57	4
58	4
59	9
60	4
61	4
62	9
63	1
64	9
65	12
66	10
67	9
68	7
69	10
70	12
71	9
72	11
73	9
74	9
75	11
76	9
77	10
78	13
79	19
80	12
81	0
82	0
83	1
84	0
85	0
86	1
87	1
88	3
89	3