A275363 - cp's OEIS frontend

A275363 a(1)=3, a(2)=6, a(3)=3; thereafter a(n) = a(n-a(n-1)) + a(n-1-a(n-2)).

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

[3, 6, 3, 3, 9, 6, 3, 12, 9, 3, 15, 12, 3, 18, 15, 3, 21, 18, 3, 24, 21, 3, 27, 24, 3, 30, 27, 3, 33, 30, 3, 36, 33, 3, 39, 36, 3, 42, 39, 3, 45, 42, 3, 48, 45, 3, 51, 48, 3, 54, 51, 3, 57, 54, 3, 60, 57, 3, 63, 60, 3, 66, 63, 3, 69, 66, 3, 72, 69]

cp's OEIS Frontend

A275363 a(1)=3, a(2)=6, a(3)=3; thereafter a(n) = a(n-a(n-1)) + a(n-1-a(n-2)).

Table of values

List of values

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

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

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