A381856 - cp's OEIS frontend

A381856 Lexicographically earliest sequence of positive integers such that for any value k, no two sets of two or more indices at which k occurs have the same standard deviation.

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

[1, 1, 2, 1, 2, 2, 3, 1, 3, 2, 4, 3, 3, 4, 4, 1, 5, 2, 5, 3, 4, 5, 4, 6, 1, 5, 6, 6, 2, 3, 7, 5, 6, 4, 6, 1, 7, 7, 8, 5, 7, 8, 8, 9, 6, 9, 2, 8, 3, 7, 4, 5, 9, 9, 8, 10, 9, 10, 10, 11, 7, 1, 8, 10, 11, 11, 6, 11, 9, 12, 10, 2, 12, 8, 11, 13, 12, 12, 3, 10, 13, 13]

cp's OEIS Frontend

A381856 Lexicographically earliest sequence of positive integers such that for any value k, no two sets of two or more indices at which k occurs have the same standard deviation.

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

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

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