A308293 - cp's OEIS frontend

A308293 Lexicographically earliest sequence of positive terms such that a(1) = 1, a(2) = 2, and for any n > 0, (abs(a(n+2)-a(n)), abs(a(n+2)-a(n+1))) is unique.

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

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

cp's OEIS Frontend

A308293 Lexicographically earliest sequence of positive terms such that a(1) = 1, a(2) = 2, and for any n > 0, (abs(a(n+2)-a(n)), abs(a(n+2)-a(n+1))) is unique.

Table of values

List of values

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

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

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