A230765 - cp's OEIS frontend

A230765 Length of chunks of odd digits, delimited by an even digit, in the concatenation of all terms; smallest such sequence without duplicate terms.

n	a(n)
1	3
2	1
3	2
4	4
5	5
6	6
7	7
8	9
9	10
10	11
11	13
12	8
13	15
14	17
15	12
16	19
17	31
18	33
19	21
20	35
21	37
22	39
23	14
24	51
25	53
26	55
27	57
28	16
29	59
30	71
31	73
32	75
33	77
34	23
35	79
36	91
37	93
38	95
39	97
40	18
41	99
42	111
43	110
44	113
45	115
46	117
47	119
48	112
49	131
50	133
51	135
52	137
53	139
54	30
55	151
56	153
57	155
58	114
59	157

[3, 1, 2, 4, 5, 6, 7, 9, 10, 11, 13, 8, 15, 17, 12, 19, 31, 33, 21, 35, 37, 39, 14, 51, 53, 55, 57, 16, 59, 71, 73, 75, 77, 23, 79, 91, 93, 95, 97, 18, 99, 111, 110, 113, 115, 117, 119, 112, 131, 133, 135, 137, 139, 30, 151, 153, 155, 114, 157]

cp's OEIS Frontend

A230765 Length of chunks of odd digits, delimited by an even digit, in the concatenation of all terms; smallest such sequence without duplicate terms.

Table of values

List of values

n	a(n)
1	3
2	1
3	2
4	4
5	5
6	6
7	7
8	9
9	10
10	11
11	13
12	8
13	15
14	17
15	12
16	19
17	31
18	33
19	21
20	35
21	37
22	39
23	14
24	51
25	53
26	55
27	57
28	16
29	59
30	71
31	73
32	75
33	77
34	23
35	79
36	91
37	93
38	95
39	97
40	18
41	99
42	111
43	110
44	113
45	115
46	117
47	119
48	112
49	131
50	133
51	135
52	137
53	139
54	30
55	151
56	153
57	155
58	114
59	157

n	a(n)
1	3
2	1
3	2
4	4
5	5
6	6
7	7
8	9
9	10
10	11
11	13
12	8
13	15
14	17
15	12
16	19
17	31
18	33
19	21
20	35
21	37
22	39
23	14
24	51
25	53
26	55
27	57
28	16
29	59
30	71
31	73
32	75
33	77
34	23
35	79
36	91
37	93
38	95
39	97
40	18
41	99
42	111
43	110
44	113
45	115
46	117
47	119
48	112
49	131
50	133
51	135
52	137
53	139
54	30
55	151
56	153
57	155
58	114
59	157

n	a(n)
1	3
2	1
3	2
4	4
5	5
6	6
7	7
8	9
9	10
10	11
11	13
12	8
13	15
14	17
15	12
16	19
17	31
18	33
19	21
20	35
21	37
22	39
23	14
24	51
25	53
26	55
27	57
28	16
29	59
30	71
31	73
32	75
33	77
34	23
35	79
36	91
37	93
38	95
39	97
40	18
41	99
42	111
43	110
44	113
45	115
46	117
47	119
48	112
49	131
50	133
51	135
52	137
53	139
54	30
55	151
56	153
57	155
58	114
59	157