A080711 - cp's OEIS frontend

A080711 a(0) = 2; 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	2
1	4
2	6
3	7
4	9
5	10
6	12
7	15
8	16
9	18
10	21
11	22
12	24
13	25
14	26
15	27
16	30
17	31
18	33
19	34
20	35
21	36
22	39
23	40
24	42
25	45
26	48
27	51
28	52
29	53
30	54
31	57
32	58
33	60
34	63
35	66
36	69
37	70
38	71
39	72
40	75
41	76
42	78
43	79
44	80
45	81
46	82
47	83
48	84
49	85
50	86
51	87
52	90
53	93
54	96
55	97
56	98
57	99
58	102
59	103
60	105
61	106
62	107
63	108
64	109
65	110
66	111
67	112

[2, 4, 6, 7, 9, 10, 12, 15, 16, 18, 21, 22, 24, 25, 26, 27, 30, 31, 33, 34, 35, 36, 39, 40, 42, 45, 48, 51, 52, 53, 54, 57, 58, 60, 63, 66, 69, 70, 71, 72, 75, 76, 78, 79, 80, 81, 82, 83, 84, 85, 86, 87, 90, 93, 96, 97, 98, 99, 102, 103, 105, 106, 107, 108, 109, 110, 111, 112]

cp's OEIS Frontend

A080711 a(0) = 2; 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	2
1	4
2	6
3	7
4	9
5	10
6	12
7	15
8	16
9	18
10	21
11	22
12	24
13	25
14	26
15	27
16	30
17	31
18	33
19	34
20	35
21	36
22	39
23	40
24	42
25	45
26	48
27	51
28	52
29	53
30	54
31	57
32	58
33	60
34	63
35	66
36	69
37	70
38	71
39	72
40	75
41	76
42	78
43	79
44	80
45	81
46	82
47	83
48	84
49	85
50	86
51	87
52	90
53	93
54	96
55	97
56	98
57	99
58	102
59	103
60	105
61	106
62	107
63	108
64	109
65	110
66	111
67	112

n	a(n)
0	2
1	4
2	6
3	7
4	9
5	10
6	12
7	15
8	16
9	18
10	21
11	22
12	24
13	25
14	26
15	27
16	30
17	31
18	33
19	34
20	35
21	36
22	39
23	40
24	42
25	45
26	48
27	51
28	52
29	53
30	54
31	57
32	58
33	60
34	63
35	66
36	69
37	70
38	71
39	72
40	75
41	76
42	78
43	79
44	80
45	81
46	82
47	83
48	84
49	85
50	86
51	87
52	90
53	93
54	96
55	97
56	98
57	99
58	102
59	103
60	105
61	106
62	107
63	108
64	109
65	110
66	111
67	112

n	a(n)
0	2
1	4
2	6
3	7
4	9
5	10
6	12
7	15
8	16
9	18
10	21
11	22
12	24
13	25
14	26
15	27
16	30
17	31
18	33
19	34
20	35
21	36
22	39
23	40
24	42
25	45
26	48
27	51
28	52
29	53
30	54
31	57
32	58
33	60
34	63
35	66
36	69
37	70
38	71
39	72
40	75
41	76
42	78
43	79
44	80
45	81
46	82
47	83
48	84
49	85
50	86
51	87
52	90
53	93
54	96
55	97
56	98
57	99
58	102
59	103
60	105
61	106
62	107
63	108
64	109
65	110
66	111
67	112