A080031 - cp's OEIS frontend

A080031 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 congruent to 2 mod 3".

n	a(n)
0	1
1	2
2	5
3	4
4	8
5	11
6	7
7	14
8	17
9	10
10	20
11	23
12	13
13	26
14	29
15	16
16	32
17	35
18	19
19	38
20	41
21	22
22	44
23	47
24	25
25	50
26	53
27	28
28	56
29	59
30	31
31	62
32	65
33	34
34	68
35	71
36	37
37	74
38	77
39	40
40	80
41	83
42	43
43	86
44	89
45	46
46	92
47	95
48	49
49	98
50	101
51	52
52	104
53	107
54	55
55	110
56	113
57	58
58	116
59	119
60	61
61	122
62	125
63	64
64	128
65	131
66	67

[1, 2, 5, 4, 8, 11, 7, 14, 17, 10, 20, 23, 13, 26, 29, 16, 32, 35, 19, 38, 41, 22, 44, 47, 25, 50, 53, 28, 56, 59, 31, 62, 65, 34, 68, 71, 37, 74, 77, 40, 80, 83, 43, 86, 89, 46, 92, 95, 49, 98, 101, 52, 104, 107, 55, 110, 113, 58, 116, 119, 61, 122, 125, 64, 128, 131, 67]

cp's OEIS Frontend

A080031 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 congruent to 2 mod 3".

Table of values

List of values

n	a(n)
0	1
1	2
2	5
3	4
4	8
5	11
6	7
7	14
8	17
9	10
10	20
11	23
12	13
13	26
14	29
15	16
16	32
17	35
18	19
19	38
20	41
21	22
22	44
23	47
24	25
25	50
26	53
27	28
28	56
29	59
30	31
31	62
32	65
33	34
34	68
35	71
36	37
37	74
38	77
39	40
40	80
41	83
42	43
43	86
44	89
45	46
46	92
47	95
48	49
49	98
50	101
51	52
52	104
53	107
54	55
55	110
56	113
57	58
58	116
59	119
60	61
61	122
62	125
63	64
64	128
65	131
66	67

n	a(n)
0	1
1	2
2	5
3	4
4	8
5	11
6	7
7	14
8	17
9	10
10	20
11	23
12	13
13	26
14	29
15	16
16	32
17	35
18	19
19	38
20	41
21	22
22	44
23	47
24	25
25	50
26	53
27	28
28	56
29	59
30	31
31	62
32	65
33	34
34	68
35	71
36	37
37	74
38	77
39	40
40	80
41	83
42	43
43	86
44	89
45	46
46	92
47	95
48	49
49	98
50	101
51	52
52	104
53	107
54	55
55	110
56	113
57	58
58	116
59	119
60	61
61	122
62	125
63	64
64	128
65	131
66	67

n	a(n)
0	1
1	2
2	5
3	4
4	8
5	11
6	7
7	14
8	17
9	10
10	20
11	23
12	13
13	26
14	29
15	16
16	32
17	35
18	19
19	38
20	41
21	22
22	44
23	47
24	25
25	50
26	53
27	28
28	56
29	59
30	31
31	62
32	65
33	34
34	68
35	71
36	37
37	74
38	77
39	40
40	80
41	83
42	43
43	86
44	89
45	46
46	92
47	95
48	49
49	98
50	101
51	52
52	104
53	107
54	55
55	110
56	113
57	58
58	116
59	119
60	61
61	122
62	125
63	64
64	128
65	131
66	67