A381894 - cp's OEIS frontend

A381894 Lexicographically earliest sequence of positive integers such that a(n) is the length of the n-th run of consecutive, equal terms and no two runs have the same sum.

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

[1, 2, 2, 1, 1, 3, 5, 2, 2, 2, 3, 3, 3, 3, 3, 4, 4, 5, 5, 6, 6, 3, 3, 3, 6, 6, 6, 7, 7, 7, 8, 8, 8, 9, 9, 9, 4, 4, 4, 4, 5, 5, 5, 5, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 6, 6, 6, 6, 6, 6, 7, 7, 7, 7, 7, 7, 11, 11, 11, 13, 13, 13, 15, 15, 15, 8, 8, 8, 8, 8, 8, 9, 9, 9, 9, 9, 9]

cp's OEIS Frontend

A381894 Lexicographically earliest sequence of positive integers such that a(n) is the length of the n-th run of consecutive, equal terms and no two runs have the same sum.

Table of values

List of values

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

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

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