A080752 - cp's OEIS frontend

A080752 a(1)=1; a(2)=8; for n > 2, a(n) is smallest integer greater than a(n-1) that satisfies the condition "n is in the sequence if and only if a(n) is odd.".

n	a(n)
1	1
2	8
3	10
4	12
5	14
6	16
7	18
8	19
9	20
10	21
11	22
12	23
13	24
14	25
15	26
16	27
17	28
18	29
19	31
20	33
21	35
22	37
23	39
24	41
25	43
26	45
27	47
28	49
29	51
30	52
31	53
32	54
33	55
34	56
35	57
36	58
37	59
38	60
39	61
40	62
41	63
42	64
43	65
44	66
45	67
46	68
47	69
48	70
49	71
50	72
51	73
52	75
53	77
54	79
55	81
56	83
57	85
58	87
59	89
60	91
61	93
62	95
63	97
64	99
65	101
66	103
67	105
68	107
69	109

[1, 8, 10, 12, 14, 16, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 31, 33, 35, 37, 39, 41, 43, 45, 47, 49, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63, 64, 65, 66, 67, 68, 69, 70, 71, 72, 73, 75, 77, 79, 81, 83, 85, 87, 89, 91, 93, 95, 97, 99, 101, 103, 105, 107, 109]

cp's OEIS Frontend

A080752 a(1)=1; a(2)=8; for n > 2, a(n) is smallest integer greater than a(n-1) that satisfies the condition "n is in the sequence if and only if a(n) is odd.".

Table of values

List of values

n	a(n)
1	1
2	8
3	10
4	12
5	14
6	16
7	18
8	19
9	20
10	21
11	22
12	23
13	24
14	25
15	26
16	27
17	28
18	29
19	31
20	33
21	35
22	37
23	39
24	41
25	43
26	45
27	47
28	49
29	51
30	52
31	53
32	54
33	55
34	56
35	57
36	58
37	59
38	60
39	61
40	62
41	63
42	64
43	65
44	66
45	67
46	68
47	69
48	70
49	71
50	72
51	73
52	75
53	77
54	79
55	81
56	83
57	85
58	87
59	89
60	91
61	93
62	95
63	97
64	99
65	101
66	103
67	105
68	107
69	109

n	a(n)
1	1
2	8
3	10
4	12
5	14
6	16
7	18
8	19
9	20
10	21
11	22
12	23
13	24
14	25
15	26
16	27
17	28
18	29
19	31
20	33
21	35
22	37
23	39
24	41
25	43
26	45
27	47
28	49
29	51
30	52
31	53
32	54
33	55
34	56
35	57
36	58
37	59
38	60
39	61
40	62
41	63
42	64
43	65
44	66
45	67
46	68
47	69
48	70
49	71
50	72
51	73
52	75
53	77
54	79
55	81
56	83
57	85
58	87
59	89
60	91
61	93
62	95
63	97
64	99
65	101
66	103
67	105
68	107
69	109

n	a(n)
1	1
2	8
3	10
4	12
5	14
6	16
7	18
8	19
9	20
10	21
11	22
12	23
13	24
14	25
15	26
16	27
17	28
18	29
19	31
20	33
21	35
22	37
23	39
24	41
25	43
26	45
27	47
28	49
29	51
30	52
31	53
32	54
33	55
34	56
35	57
36	58
37	59
38	60
39	61
40	62
41	63
42	64
43	65
44	66
45	67
46	68
47	69
48	70
49	71
50	72
51	73
52	75
53	77
54	79
55	81
56	83
57	85
58	87
59	89
60	91
61	93
62	95
63	97
64	99
65	101
66	103
67	105
68	107
69	109