A030787 - cp's OEIS frontend

A030787 The first list after the following procedure: starting with a list [4] and an empty list, repeatedly add the distinct values already in both lists in descending order to the second list and add the corresponding frequencies of those values to the first list.

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

[4, 1, 2, 1, 3, 1, 3, 4, 2, 2, 5, 1, 6, 3, 5, 6, 2, 3, 7, 5, 6, 8, 1, 1, 4, 5, 8, 7, 8, 9, 1, 4, 3, 5, 7, 10, 8, 9, 12, 1, 1, 3, 6, 5, 6, 9, 12, 10, 10, 14, 1, 3, 4, 5, 7, 6, 9, 11, 13, 12, 11, 17, 1, 2, 1, 5, 2, 5, 7, 8, 8, 11, 13, 15, 14, 12, 19, 1, 2, 1, 4, 3]

cp's OEIS Frontend

A030787 The first list after the following procedure: starting with a list [4] and an empty list, repeatedly add the distinct values already in both lists in descending order to the second list and add the corresponding frequencies of those values to the first list.

Table of values

List of values

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

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

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