A080029 - cp's OEIS frontend

A080029 a(n) is taken to be the smallest positive integer not already present which is consistent with the condition "n is a member of the sequence if and only if a(n) is a multiple of 3".

n	a(n)
0	0
1	2
2	3
3	6
4	5
5	9
6	12
7	8
8	15
9	18
10	11
11	21
12	24
13	14
14	27
15	30
16	17
17	33
18	36
19	20
20	39
21	42
22	23
23	45
24	48
25	26
26	51
27	54
28	29
29	57
30	60
31	32
32	63
33	66
34	35
35	69
36	72
37	38
38	75
39	78
40	41
41	81
42	84
43	44
44	87
45	90
46	47
47	93
48	96
49	50
50	99
51	102
52	53
53	105
54	108
55	56
56	111
57	114
58	59
59	117
60	120
61	62
62	123
63	126
64	65
65	129
66	132
67	68

[0, 2, 3, 6, 5, 9, 12, 8, 15, 18, 11, 21, 24, 14, 27, 30, 17, 33, 36, 20, 39, 42, 23, 45, 48, 26, 51, 54, 29, 57, 60, 32, 63, 66, 35, 69, 72, 38, 75, 78, 41, 81, 84, 44, 87, 90, 47, 93, 96, 50, 99, 102, 53, 105, 108, 56, 111, 114, 59, 117, 120, 62, 123, 126, 65, 129, 132, 68]

cp's OEIS Frontend

A080029 a(n) is taken to be the smallest positive integer not already present which is consistent with the condition "n is a member of the sequence if and only if a(n) is a multiple of 3".

Table of values

List of values

n	a(n)
0	0
1	2
2	3
3	6
4	5
5	9
6	12
7	8
8	15
9	18
10	11
11	21
12	24
13	14
14	27
15	30
16	17
17	33
18	36
19	20
20	39
21	42
22	23
23	45
24	48
25	26
26	51
27	54
28	29
29	57
30	60
31	32
32	63
33	66
34	35
35	69
36	72
37	38
38	75
39	78
40	41
41	81
42	84
43	44
44	87
45	90
46	47
47	93
48	96
49	50
50	99
51	102
52	53
53	105
54	108
55	56
56	111
57	114
58	59
59	117
60	120
61	62
62	123
63	126
64	65
65	129
66	132
67	68

n	a(n)
0	0
1	2
2	3
3	6
4	5
5	9
6	12
7	8
8	15
9	18
10	11
11	21
12	24
13	14
14	27
15	30
16	17
17	33
18	36
19	20
20	39
21	42
22	23
23	45
24	48
25	26
26	51
27	54
28	29
29	57
30	60
31	32
32	63
33	66
34	35
35	69
36	72
37	38
38	75
39	78
40	41
41	81
42	84
43	44
44	87
45	90
46	47
47	93
48	96
49	50
50	99
51	102
52	53
53	105
54	108
55	56
56	111
57	114
58	59
59	117
60	120
61	62
62	123
63	126
64	65
65	129
66	132
67	68

n	a(n)
0	0
1	2
2	3
3	6
4	5
5	9
6	12
7	8
8	15
9	18
10	11
11	21
12	24
13	14
14	27
15	30
16	17
17	33
18	36
19	20
20	39
21	42
22	23
23	45
24	48
25	26
26	51
27	54
28	29
29	57
30	60
31	32
32	63
33	66
34	35
35	69
36	72
37	38
38	75
39	78
40	41
41	81
42	84
43	44
44	87
45	90
46	47
47	93
48	96
49	50
50	99
51	102
52	53
53	105
54	108
55	56
56	111
57	114
58	59
59	117
60	120
61	62
62	123
63	126
64	65
65	129
66	132
67	68