A303785 - cp's OEIS frontend

A303785 Lexicographically earliest sequence of distinct terms such that what emerges from the mask is odd (see the Comment section for the mask explanation).

n	a(n)
1	1
2	11
3	2
4	13
5	3
6	15
7	4
8	17
9	5
10	19
11	6
12	21
13	7
14	23
15	8
16	25
17	9
18	27
19	101
20	10
21	103
22	12
23	105
24	14
25	107
26	16
27	109
28	18
29	111
30	20
31	113
32	22
33	115
34	24
35	117
36	26
37	119
38	28
39	121
40	29
41	123
42	30
43	125
44	31
45	127
46	32
47	129
48	33
49	131
50	34
51	133
52	35
53	135
54	36
55	137
56	37
57	139
58	38
59	141
60	39
61	143
62	40
63	145
64	41
65	147
66	42
67	149
68	43
69	151
70	44
71	153
72	45
73	155
74	46
75	157
76	47

[1, 11, 2, 13, 3, 15, 4, 17, 5, 19, 6, 21, 7, 23, 8, 25, 9, 27, 101, 10, 103, 12, 105, 14, 107, 16, 109, 18, 111, 20, 113, 22, 115, 24, 117, 26, 119, 28, 121, 29, 123, 30, 125, 31, 127, 32, 129, 33, 131, 34, 133, 35, 135, 36, 137, 37, 139, 38, 141, 39, 143, 40, 145, 41, 147, 42, 149, 43, 151, 44, 153, 45, 155, 46, 157, 47]

cp's OEIS Frontend

A303785 Lexicographically earliest sequence of distinct terms such that what emerges from the mask is odd (see the Comment section for the mask explanation).

Table of values

List of values

n	a(n)
1	1
2	11
3	2
4	13
5	3
6	15
7	4
8	17
9	5
10	19
11	6
12	21
13	7
14	23
15	8
16	25
17	9
18	27
19	101
20	10
21	103
22	12
23	105
24	14
25	107
26	16
27	109
28	18
29	111
30	20
31	113
32	22
33	115
34	24
35	117
36	26
37	119
38	28
39	121
40	29
41	123
42	30
43	125
44	31
45	127
46	32
47	129
48	33
49	131
50	34
51	133
52	35
53	135
54	36
55	137
56	37
57	139
58	38
59	141
60	39
61	143
62	40
63	145
64	41
65	147
66	42
67	149
68	43
69	151
70	44
71	153
72	45
73	155
74	46
75	157
76	47

n	a(n)
1	1
2	11
3	2
4	13
5	3
6	15
7	4
8	17
9	5
10	19
11	6
12	21
13	7
14	23
15	8
16	25
17	9
18	27
19	101
20	10
21	103
22	12
23	105
24	14
25	107
26	16
27	109
28	18
29	111
30	20
31	113
32	22
33	115
34	24
35	117
36	26
37	119
38	28
39	121
40	29
41	123
42	30
43	125
44	31
45	127
46	32
47	129
48	33
49	131
50	34
51	133
52	35
53	135
54	36
55	137
56	37
57	139
58	38
59	141
60	39
61	143
62	40
63	145
64	41
65	147
66	42
67	149
68	43
69	151
70	44
71	153
72	45
73	155
74	46
75	157
76	47

n	a(n)
1	1
2	11
3	2
4	13
5	3
6	15
7	4
8	17
9	5
10	19
11	6
12	21
13	7
14	23
15	8
16	25
17	9
18	27
19	101
20	10
21	103
22	12
23	105
24	14
25	107
26	16
27	109
28	18
29	111
30	20
31	113
32	22
33	115
34	24
35	117
36	26
37	119
38	28
39	121
40	29
41	123
42	30
43	125
44	31
45	127
46	32
47	129
48	33
49	131
50	34
51	133
52	35
53	135
54	36
55	137
56	37
57	139
58	38
59	141
60	39
61	143
62	40
63	145
64	41
65	147
66	42
67	149
68	43
69	151
70	44
71	153
72	45
73	155
74	46
75	157
76	47