A080722 - cp's OEIS frontend

A080722 a(0) = 0; 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 term of the sequence if and only if a(n) == 1 (mod 3)".

n	a(n)
0	0
1	1
2	3
3	4
4	7
5	8
6	9
7	10
8	13
9	16
10	19
11	20
12	21
13	22
14	23
15	24
16	25
17	26
18	27
19	28
20	31
21	34
22	37
23	40
24	43
25	46
26	49
27	52
28	55
29	56
30	57
31	58
32	59
33	60
34	61
35	62
36	63
37	64
38	65
39	66
40	67
41	68
42	69
43	70
44	71
45	72
46	73
47	74
48	75
49	76
50	77
51	78
52	79
53	80
54	81
55	82
56	85
57	88
58	91
59	94
60	97
61	100
62	103
63	106
64	109
65	112
66	115
67	118
68	121

[0, 1, 3, 4, 7, 8, 9, 10, 13, 16, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 31, 34, 37, 40, 43, 46, 49, 52, 55, 56, 57, 58, 59, 60, 61, 62, 63, 64, 65, 66, 67, 68, 69, 70, 71, 72, 73, 74, 75, 76, 77, 78, 79, 80, 81, 82, 85, 88, 91, 94, 97, 100, 103, 106, 109, 112, 115, 118, 121]

cp's OEIS Frontend

A080722 a(0) = 0; 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 term of the sequence if and only if a(n) == 1 (mod 3)".

Table of values

List of values

n	a(n)
0	0
1	1
2	3
3	4
4	7
5	8
6	9
7	10
8	13
9	16
10	19
11	20
12	21
13	22
14	23
15	24
16	25
17	26
18	27
19	28
20	31
21	34
22	37
23	40
24	43
25	46
26	49
27	52
28	55
29	56
30	57
31	58
32	59
33	60
34	61
35	62
36	63
37	64
38	65
39	66
40	67
41	68
42	69
43	70
44	71
45	72
46	73
47	74
48	75
49	76
50	77
51	78
52	79
53	80
54	81
55	82
56	85
57	88
58	91
59	94
60	97
61	100
62	103
63	106
64	109
65	112
66	115
67	118
68	121

n	a(n)
0	0
1	1
2	3
3	4
4	7
5	8
6	9
7	10
8	13
9	16
10	19
11	20
12	21
13	22
14	23
15	24
16	25
17	26
18	27
19	28
20	31
21	34
22	37
23	40
24	43
25	46
26	49
27	52
28	55
29	56
30	57
31	58
32	59
33	60
34	61
35	62
36	63
37	64
38	65
39	66
40	67
41	68
42	69
43	70
44	71
45	72
46	73
47	74
48	75
49	76
50	77
51	78
52	79
53	80
54	81
55	82
56	85
57	88
58	91
59	94
60	97
61	100
62	103
63	106
64	109
65	112
66	115
67	118
68	121

n	a(n)
0	0
1	1
2	3
3	4
4	7
5	8
6	9
7	10
8	13
9	16
10	19
11	20
12	21
13	22
14	23
15	24
16	25
17	26
18	27
19	28
20	31
21	34
22	37
23	40
24	43
25	46
26	49
27	52
28	55
29	56
30	57
31	58
32	59
33	60
34	61
35	62
36	63
37	64
38	65
39	66
40	67
41	68
42	69
43	70
44	71
45	72
46	73
47	74
48	75
49	76
50	77
51	78
52	79
53	80
54	81
55	82
56	85
57	88
58	91
59	94
60	97
61	100
62	103
63	106
64	109
65	112
66	115
67	118
68	121