A080753 - cp's OEIS frontend

A080753 a(1)=2; for n > 1, a is the second-smallest positive integer greater than a(n-1) such that the condition "n is in the sequence if and only if a(n) is odd" is satisfied.

n	a(n)
1	2
2	5
3	8
4	12
5	15
6	18
7	22
8	25
9	28
10	32
11	36
12	39
13	42
14	46
15	49
16	52
17	56
18	59
19	62
20	66
21	70
22	73
23	76
24	80
25	83
26	86
27	90
28	93
29	96
30	100
31	104
32	107
33	110
34	114
35	118
36	121
37	124
38	128
39	131
40	134
41	138
42	141
43	144
44	148
45	152
46	155
47	158
48	162
49	165
50	168
51	172
52	175
53	178
54	182
55	186
56	189
57	192
58	196
59	199
60	202

[2, 5, 8, 12, 15, 18, 22, 25, 28, 32, 36, 39, 42, 46, 49, 52, 56, 59, 62, 66, 70, 73, 76, 80, 83, 86, 90, 93, 96, 100, 104, 107, 110, 114, 118, 121, 124, 128, 131, 134, 138, 141, 144, 148, 152, 155, 158, 162, 165, 168, 172, 175, 178, 182, 186, 189, 192, 196, 199, 202]

cp's OEIS Frontend

A080753 a(1)=2; for n > 1, a is the second-smallest positive integer greater than a(n-1) such that the condition "n is in the sequence if and only if a(n) is odd" is satisfied.

Table of values

List of values

n	a(n)
1	2
2	5
3	8
4	12
5	15
6	18
7	22
8	25
9	28
10	32
11	36
12	39
13	42
14	46
15	49
16	52
17	56
18	59
19	62
20	66
21	70
22	73
23	76
24	80
25	83
26	86
27	90
28	93
29	96
30	100
31	104
32	107
33	110
34	114
35	118
36	121
37	124
38	128
39	131
40	134
41	138
42	141
43	144
44	148
45	152
46	155
47	158
48	162
49	165
50	168
51	172
52	175
53	178
54	182
55	186
56	189
57	192
58	196
59	199
60	202

n	a(n)
1	2
2	5
3	8
4	12
5	15
6	18
7	22
8	25
9	28
10	32
11	36
12	39
13	42
14	46
15	49
16	52
17	56
18	59
19	62
20	66
21	70
22	73
23	76
24	80
25	83
26	86
27	90
28	93
29	96
30	100
31	104
32	107
33	110
34	114
35	118
36	121
37	124
38	128
39	131
40	134
41	138
42	141
43	144
44	148
45	152
46	155
47	158
48	162
49	165
50	168
51	172
52	175
53	178
54	182
55	186
56	189
57	192
58	196
59	199
60	202

n	a(n)
1	2
2	5
3	8
4	12
5	15
6	18
7	22
8	25
9	28
10	32
11	36
12	39
13	42
14	46
15	49
16	52
17	56
18	59
19	62
20	66
21	70
22	73
23	76
24	80
25	83
26	86
27	90
28	93
29	96
30	100
31	104
32	107
33	110
34	114
35	118
36	121
37	124
38	128
39	131
40	134
41	138
42	141
43	144
44	148
45	152
46	155
47	158
48	162
49	165
50	168
51	172
52	175
53	178
54	182
55	186
56	189
57	192
58	196
59	199
60	202