A309650 - cp's OEIS frontend

A309650 a(1) = 3, a(2) = 1, a(3) = 4, a(4) = 2; a(n) = a(n-a(n-2)) + a(n-a(n-3)) for n > 4.

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

[3, 1, 4, 2, 5, 3, 6, 9, 7, 5, 3, 11, 14, 7, 5, 8, 16, 19, 7, 5, 8, 21, 24, 12, 5, 8, 26, 29, 12, 5, 8, 31, 34, 12, 5, 13, 36, 39, 12, 5, 13, 41, 44, 12, 5, 13, 46, 49, 17, 5, 13, 51, 54, 17, 5, 13, 56, 59, 17, 5, 13, 61, 64, 17, 5, 18, 66, 69, 17, 5, 18, 71, 74, 17, 5, 18, 76, 79, 17, 5, 18, 81, 84, 22, 5]

cp's OEIS Frontend

A309650 a(1) = 3, a(2) = 1, a(3) = 4, a(4) = 2; a(n) = a(n-a(n-2)) + a(n-a(n-3)) for n > 4.

Table of values

List of values

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

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

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