A080724 - cp's OEIS frontend

A080724 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) == 1 mod 3".

n	a(n)
0	2
1	3
2	4
3	7
4	10
5	11
6	12
7	13
8	14
9	15
10	16
11	19
12	22
13	25
14	28
15	31
16	34
17	35
18	36
19	37
20	38
21	39
22	40
23	41
24	42
25	43
26	44
27	45
28	46
29	47
30	48
31	49
32	50
33	51
34	52
35	55
36	58
37	61
38	64
39	67
40	70
41	73
42	76
43	79
44	82
45	85
46	88
47	91
48	94
49	97
50	100
51	103
52	106
53	107
54	108
55	109
56	110
57	111
58	112
59	113
60	114
61	115
62	116
63	117
64	118
65	119

[2, 3, 4, 7, 10, 11, 12, 13, 14, 15, 16, 19, 22, 25, 28, 31, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 55, 58, 61, 64, 67, 70, 73, 76, 79, 82, 85, 88, 91, 94, 97, 100, 103, 106, 107, 108, 109, 110, 111, 112, 113, 114, 115, 116, 117, 118, 119]

cp's OEIS Frontend

A080724 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) == 1 mod 3".

Table of values

List of values

n	a(n)
0	2
1	3
2	4
3	7
4	10
5	11
6	12
7	13
8	14
9	15
10	16
11	19
12	22
13	25
14	28
15	31
16	34
17	35
18	36
19	37
20	38
21	39
22	40
23	41
24	42
25	43
26	44
27	45
28	46
29	47
30	48
31	49
32	50
33	51
34	52
35	55
36	58
37	61
38	64
39	67
40	70
41	73
42	76
43	79
44	82
45	85
46	88
47	91
48	94
49	97
50	100
51	103
52	106
53	107
54	108
55	109
56	110
57	111
58	112
59	113
60	114
61	115
62	116
63	117
64	118
65	119

n	a(n)
0	2
1	3
2	4
3	7
4	10
5	11
6	12
7	13
8	14
9	15
10	16
11	19
12	22
13	25
14	28
15	31
16	34
17	35
18	36
19	37
20	38
21	39
22	40
23	41
24	42
25	43
26	44
27	45
28	46
29	47
30	48
31	49
32	50
33	51
34	52
35	55
36	58
37	61
38	64
39	67
40	70
41	73
42	76
43	79
44	82
45	85
46	88
47	91
48	94
49	97
50	100
51	103
52	106
53	107
54	108
55	109
56	110
57	111
58	112
59	113
60	114
61	115
62	116
63	117
64	118
65	119

n	a(n)
0	2
1	3
2	4
3	7
4	10
5	11
6	12
7	13
8	14
9	15
10	16
11	19
12	22
13	25
14	28
15	31
16	34
17	35
18	36
19	37
20	38
21	39
22	40
23	41
24	42
25	43
26	44
27	45
28	46
29	47
30	48
31	49
32	50
33	51
34	52
35	55
36	58
37	61
38	64
39	67
40	70
41	73
42	76
43	79
44	82
45	85
46	88
47	91
48	94
49	97
50	100
51	103
52	106
53	107
54	108
55	109
56	110
57	111
58	112
59	113
60	114
61	115
62	116
63	117
64	118
65	119