A309496 - cp's OEIS frontend

A309496 a(1) = 1, a(2) = 3, a(3) = a(4) = a(6) = 6, a(5) = 2, a(7) = 4; a(n) = a(n-a(n-4)) + a(n-a(n-5)) for n > 7.

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

[1, 3, 6, 6, 2, 6, 4, 6, 10, 12, 6, 12, 10, 9, 16, 18, 6, 16, 18, 9, 22, 24, 6, 22, 24, 9, 28, 30, 6, 28, 30, 9, 34, 36, 6, 34, 36, 9, 40, 42, 6, 40, 42, 9, 46, 48, 6, 46, 48, 9, 52, 54, 6, 52, 54, 9, 58, 60, 6, 58, 60, 9, 64, 66, 6, 64, 66, 9, 70, 72, 6, 70, 72, 9, 76, 78, 6, 76, 78, 9, 82, 84, 6, 82, 84, 9, 88]

cp's OEIS Frontend

A309496 a(1) = 1, a(2) = 3, a(3) = a(4) = a(6) = 6, a(5) = 2, a(7) = 4; a(n) = a(n-a(n-4)) + a(n-a(n-5)) for n > 7.

Table of values

List of values

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

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

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