A225985 - cp's OEIS frontend

A225985 List the positive numbers, remove even digits (including zeros) from each term; sequence = remaining terms.

n	a(n)
1	1
2	3
3	5
4	7
5	9
6	1
7	11
8	1
9	13
10	1
11	15
12	1
13	17
14	1
15	19
16	1
17	3
18	5
19	7
20	9
21	3
22	31
23	3
24	33
25	3
26	35
27	3
28	37
29	3
30	39
31	1
32	3
33	5
34	7
35	9
36	5
37	51
38	5
39	53
40	5
41	55
42	5
43	57
44	5
45	59
46	1
47	3
48	5
49	7
50	9
51	7
52	71
53	7
54	73
55	7
56	75
57	7
58	77
59	7
60	79
61	1
62	3
63	5
64	7
65	9
66	9
67	91
68	9
69	93
70	9
71	95
72	9
73	97
74	9
75	99
76	1
77	11
78	1
79	13

[1, 3, 5, 7, 9, 1, 11, 1, 13, 1, 15, 1, 17, 1, 19, 1, 3, 5, 7, 9, 3, 31, 3, 33, 3, 35, 3, 37, 3, 39, 1, 3, 5, 7, 9, 5, 51, 5, 53, 5, 55, 5, 57, 5, 59, 1, 3, 5, 7, 9, 7, 71, 7, 73, 7, 75, 7, 77, 7, 79, 1, 3, 5, 7, 9, 9, 91, 9, 93, 9, 95, 9, 97, 9, 99, 1, 11, 1, 13]

cp's OEIS Frontend

A225985 List the positive numbers, remove even digits (including zeros) from each term; sequence = remaining terms.

Table of values

List of values

n	a(n)
1	1
2	3
3	5
4	7
5	9
6	1
7	11
8	1
9	13
10	1
11	15
12	1
13	17
14	1
15	19
16	1
17	3
18	5
19	7
20	9
21	3
22	31
23	3
24	33
25	3
26	35
27	3
28	37
29	3
30	39
31	1
32	3
33	5
34	7
35	9
36	5
37	51
38	5
39	53
40	5
41	55
42	5
43	57
44	5
45	59
46	1
47	3
48	5
49	7
50	9
51	7
52	71
53	7
54	73
55	7
56	75
57	7
58	77
59	7
60	79
61	1
62	3
63	5
64	7
65	9
66	9
67	91
68	9
69	93
70	9
71	95
72	9
73	97
74	9
75	99
76	1
77	11
78	1
79	13

n	a(n)
1	1
2	3
3	5
4	7
5	9
6	1
7	11
8	1
9	13
10	1
11	15
12	1
13	17
14	1
15	19
16	1
17	3
18	5
19	7
20	9
21	3
22	31
23	3
24	33
25	3
26	35
27	3
28	37
29	3
30	39
31	1
32	3
33	5
34	7
35	9
36	5
37	51
38	5
39	53
40	5
41	55
42	5
43	57
44	5
45	59
46	1
47	3
48	5
49	7
50	9
51	7
52	71
53	7
54	73
55	7
56	75
57	7
58	77
59	7
60	79
61	1
62	3
63	5
64	7
65	9
66	9
67	91
68	9
69	93
70	9
71	95
72	9
73	97
74	9
75	99
76	1
77	11
78	1
79	13

n	a(n)
1	1
2	3
3	5
4	7
5	9
6	1
7	11
8	1
9	13
10	1
11	15
12	1
13	17
14	1
15	19
16	1
17	3
18	5
19	7
20	9
21	3
22	31
23	3
24	33
25	3
26	35
27	3
28	37
29	3
30	39
31	1
32	3
33	5
34	7
35	9
36	5
37	51
38	5
39	53
40	5
41	55
42	5
43	57
44	5
45	59
46	1
47	3
48	5
49	7
50	9
51	7
52	71
53	7
54	73
55	7
56	75
57	7
58	77
59	7
60	79
61	1
62	3
63	5
64	7
65	9
66	9
67	91
68	9
69	93
70	9
71	95
72	9
73	97
74	9
75	99
76	1
77	11
78	1
79	13