A316774 - cp's OEIS frontend

A316774 a(n) = n for n < 2, a(n) = freq(a(n-1),n) + freq(a(n-2),n) for n >= 2, where freq(i,j) is the number of times i appears in [a(0),a(1),...,a(j-1)].

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

[0, 1, 2, 2, 4, 3, 2, 4, 5, 3, 3, 6, 4, 4, 8, 5, 3, 6, 6, 6, 8, 6, 7, 6, 7, 8, 5, 6, 10, 8, 5, 8, 9, 6, 9, 10, 4, 7, 8, 9, 9, 8, 11, 8, 9, 13, 6, 10, 12, 4, 7, 10, 8, 13, 11, 4, 9, 13, 9, 10, 12, 7, 7, 12, 9, 11, 11, 8, 14, 11, 6, 15, 11, 7, 13, 11, 11, 16, 9, 10]

cp's OEIS Frontend

A316774 a(n) = n for n < 2, a(n) = freq(a(n-1),n) + freq(a(n-2),n) for n >= 2, where freq(i,j) is the number of times i appears in [a(0),a(1),...,a(j-1)].

Table of values

List of values

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

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

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