A304621 - cp's OEIS frontend

A304621 a(n) = 10 - n for 1 <= n <= 9. Thereafter a(n) = a(n-a(n-3)) + a(n-a(n-6)).

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

[9, 8, 7, 6, 5, 4, 3, 2, 1, 9, 5, 7, 15, 8, 10, 12, 8, 7, 9, 14, 13, 24, 11, 13, 21, 17, 16, 9, 14, 16, 33, 17, 16, 30, 20, 28, 9, 20, 16, 42, 26, 25, 39, 20, 28, 9, 29, 25, 51, 29, 28, 48, 26, 31, 9, 32, 31, 60, 32, 28, 57, 32, 37, 9, 32, 34, 69, 56, 37, 66, 26, 40, 9, 32, 40, 78, 56, 40, 75, 38, 52, 9, 44, 37, 87, 50]

cp's OEIS Frontend

A304621 a(n) = 10 - n for 1 <= n <= 9. Thereafter a(n) = a(n-a(n-3)) + a(n-a(n-6)).

Table of values

List of values

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

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

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