A281511 - cp's OEIS frontend

A281511 The lexicographically earliest sequence of positive integers such that for all k >= j >= 1, if a(n) = a(n + j) = a(n + k) then a(n + j + k) != a(n).

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

[1, 1, 2, 1, 2, 2, 3, 1, 3, 2, 4, 3, 1, 4, 4, 2, 5, 3, 3, 4, 1, 4, 5, 2, 5, 5, 6, 6, 7, 5, 1, 3, 2, 4, 6, 3, 6, 7, 7, 5, 6, 7, 8, 4, 1, 8, 8, 2, 9, 7, 3, 5, 6, 8, 9, 6, 7, 9, 4, 8, 10, 9, 9, 2, 10, 1, 3, 5, 8, 10, 10, 4, 6, 7, 11, 11, 12, 9, 7, 9, 1, 10, 11, 2]

cp's OEIS Frontend

A281511 The lexicographically earliest sequence of positive integers such that for all k >= j >= 1, if a(n) = a(n + j) = a(n + k) then a(n + j + k) != a(n).

Table of values

List of values

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

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

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