A284007 - cp's OEIS frontend

A284007 a(n) = a(a(n-A002487(n))) + a(n-a(n-A002487(n))) with a(1) = a(2) = 1, where A002487 = Stern-Brocot sequence.

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

[1, 1, 2, 2, 3, 3, 4, 4, 5, 5, 6, 7, 7, 7, 8, 8, 9, 10, 11, 11, 11, 12, 12, 14, 13, 14, 14, 15, 16, 15, 16, 16, 18, 18, 18, 19, 19, 20, 20, 22, 22, 24, 23, 25, 24, 25, 25, 25, 26, 26, 27, 27, 28, 29, 28, 30, 29, 30, 31, 30, 32, 34, 34, 33, 33, 34, 34, 36, 37, 36, 37, 38, 38, 40, 41, 39, 40, 43, 42, 44, 43, 43, 44, 44, 45, 45, 45, 50]

cp's OEIS Frontend

A284007 a(n) = a(a(n-A002487(n))) + a(n-a(n-A002487(n))) with a(1) = a(2) = 1, where A002487 = Stern-Brocot sequence.

Table of values

List of values

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

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

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