A317015 - cp's OEIS frontend

A317015 a(n) = n for n < 2, a(n) = a(freq(a(n-1),n)) + a(freq(a(n-2),n)) for n >= 2, where freq(i, j) is the number of times i appears in the first j terms.

n	a(n)
0	0
1	1
2	2
3	2
4	4
5	3
6	2
7	3
8	4
9	4
10	4
11	8
12	5
13	2
14	5
15	6
16	3
17	3
18	8
19	6
20	4
21	5
22	5
23	8
24	6
25	4
26	4
27	6
28	7
29	5
30	4
31	7
32	6
33	5
34	5
35	6
36	5
37	6
38	7
39	5
40	6
41	8
42	8
43	6
44	7
45	8
46	6
47	6
48	16
49	9
50	2
51	4
52	7
53	7
54	4
55	6
56	9
57	7
58	5
59	7
60	8
61	7
62	7
63	8
64	8
65	8
66	8
67	16
68	10
69	3
70	4
71	11
72	9
73	3
74	4
75	7
76	13
77	9
78	5
79	12
80	9
81	4
82	5
83	7
84	10
85	7
86	4
87	7
88	10
89	7
90	8
91	11
92	7
93	5
94	5
95	10
96	9

[0, 1, 2, 2, 4, 3, 2, 3, 4, 4, 4, 8, 5, 2, 5, 6, 3, 3, 8, 6, 4, 5, 5, 8, 6, 4, 4, 6, 7, 5, 4, 7, 6, 5, 5, 6, 5, 6, 7, 5, 6, 8, 8, 6, 7, 8, 6, 6, 16, 9, 2, 4, 7, 7, 4, 6, 9, 7, 5, 7, 8, 7, 7, 8, 8, 8, 8, 16, 10, 3, 4, 11, 9, 3, 4, 7, 13, 9, 5, 12, 9, 4, 5, 7, 10, 7, 4, 7, 10, 7, 8, 11, 7, 5, 5, 10, 9]

cp's OEIS Frontend

A317015 a(n) = n for n < 2, a(n) = a(freq(a(n-1),n)) + a(freq(a(n-2),n)) for n >= 2, where freq(i, j) is the number of times i appears in the first j terms.

Table of values

List of values

n	a(n)
0	0
1	1
2	2
3	2
4	4
5	3
6	2
7	3
8	4
9	4
10	4
11	8
12	5
13	2
14	5
15	6
16	3
17	3
18	8
19	6
20	4
21	5
22	5
23	8
24	6
25	4
26	4
27	6
28	7
29	5
30	4
31	7
32	6
33	5
34	5
35	6
36	5
37	6
38	7
39	5
40	6
41	8
42	8
43	6
44	7
45	8
46	6
47	6
48	16
49	9
50	2
51	4
52	7
53	7
54	4
55	6
56	9
57	7
58	5
59	7
60	8
61	7
62	7
63	8
64	8
65	8
66	8
67	16
68	10
69	3
70	4
71	11
72	9
73	3
74	4
75	7
76	13
77	9
78	5
79	12
80	9
81	4
82	5
83	7
84	10
85	7
86	4
87	7
88	10
89	7
90	8
91	11
92	7
93	5
94	5
95	10
96	9

n	a(n)
0	0
1	1
2	2
3	2
4	4
5	3
6	2
7	3
8	4
9	4
10	4
11	8
12	5
13	2
14	5
15	6
16	3
17	3
18	8
19	6
20	4
21	5
22	5
23	8
24	6
25	4
26	4
27	6
28	7
29	5
30	4
31	7
32	6
33	5
34	5
35	6
36	5
37	6
38	7
39	5
40	6
41	8
42	8
43	6
44	7
45	8
46	6
47	6
48	16
49	9
50	2
51	4
52	7
53	7
54	4
55	6
56	9
57	7
58	5
59	7
60	8
61	7
62	7
63	8
64	8
65	8
66	8
67	16
68	10
69	3
70	4
71	11
72	9
73	3
74	4
75	7
76	13
77	9
78	5
79	12
80	9
81	4
82	5
83	7
84	10
85	7
86	4
87	7
88	10
89	7
90	8
91	11
92	7
93	5
94	5
95	10
96	9

n	a(n)
0	0
1	1
2	2
3	2
4	4
5	3
6	2
7	3
8	4
9	4
10	4
11	8
12	5
13	2
14	5
15	6
16	3
17	3
18	8
19	6
20	4
21	5
22	5
23	8
24	6
25	4
26	4
27	6
28	7
29	5
30	4
31	7
32	6
33	5
34	5
35	6
36	5
37	6
38	7
39	5
40	6
41	8
42	8
43	6
44	7
45	8
46	6
47	6
48	16
49	9
50	2
51	4
52	7
53	7
54	4
55	6
56	9
57	7
58	5
59	7
60	8
61	7
62	7
63	8
64	8
65	8
66	8
67	16
68	10
69	3
70	4
71	11
72	9
73	3
74	4
75	7
76	13
77	9
78	5
79	12
80	9
81	4
82	5
83	7
84	10
85	7
86	4
87	7
88	10
89	7
90	8
91	11
92	7
93	5
94	5
95	10
96	9