A080710 - cp's OEIS frontend

A080710 a(0) = 1; for n>0, a(n) is taken to be the smallest positive integer greater than a(n-1) 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	1
1	3
2	4
3	6
4	9
5	10
6	12
7	13
8	14
9	15
10	18
11	19
12	21
13	24
14	27
15	30
16	31
17	32
18	33
19	36
20	37
21	39
22	40
23	41
24	42
25	43
26	44
27	45
28	46
29	47
30	48
31	51
32	54
33	57
34	58
35	59
36	60
37	63
38	64
39	66
40	69
41	72
42	75
43	78
44	81
45	84
46	87
47	90
48	93
49	94
50	95
51	96
52	97
53	98
54	99
55	100
56	101
57	102
58	105
59	108
60	111
61	112
62	113
63	114
64	117
65	118
66	120

[1, 3, 4, 6, 9, 10, 12, 13, 14, 15, 18, 19, 21, 24, 27, 30, 31, 32, 33, 36, 37, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 51, 54, 57, 58, 59, 60, 63, 64, 66, 69, 72, 75, 78, 81, 84, 87, 90, 93, 94, 95, 96, 97, 98, 99, 100, 101, 102, 105, 108, 111, 112, 113, 114, 117, 118, 120]

cp's OEIS Frontend

A080710 a(0) = 1; for n>0, a(n) is taken to be the smallest positive integer greater than a(n-1) 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	1
1	3
2	4
3	6
4	9
5	10
6	12
7	13
8	14
9	15
10	18
11	19
12	21
13	24
14	27
15	30
16	31
17	32
18	33
19	36
20	37
21	39
22	40
23	41
24	42
25	43
26	44
27	45
28	46
29	47
30	48
31	51
32	54
33	57
34	58
35	59
36	60
37	63
38	64
39	66
40	69
41	72
42	75
43	78
44	81
45	84
46	87
47	90
48	93
49	94
50	95
51	96
52	97
53	98
54	99
55	100
56	101
57	102
58	105
59	108
60	111
61	112
62	113
63	114
64	117
65	118
66	120

n	a(n)
0	1
1	3
2	4
3	6
4	9
5	10
6	12
7	13
8	14
9	15
10	18
11	19
12	21
13	24
14	27
15	30
16	31
17	32
18	33
19	36
20	37
21	39
22	40
23	41
24	42
25	43
26	44
27	45
28	46
29	47
30	48
31	51
32	54
33	57
34	58
35	59
36	60
37	63
38	64
39	66
40	69
41	72
42	75
43	78
44	81
45	84
46	87
47	90
48	93
49	94
50	95
51	96
52	97
53	98
54	99
55	100
56	101
57	102
58	105
59	108
60	111
61	112
62	113
63	114
64	117
65	118
66	120

n	a(n)
0	1
1	3
2	4
3	6
4	9
5	10
6	12
7	13
8	14
9	15
10	18
11	19
12	21
13	24
14	27
15	30
16	31
17	32
18	33
19	36
20	37
21	39
22	40
23	41
24	42
25	43
26	44
27	45
28	46
29	47
30	48
31	51
32	54
33	57
34	58
35	59
36	60
37	63
38	64
39	66
40	69
41	72
42	75
43	78
44	81
45	84
46	87
47	90
48	93
49	94
50	95
51	96
52	97
53	98
54	99
55	100
56	101
57	102
58	105
59	108
60	111
61	112
62	113
63	114
64	117
65	118
66	120