A193414 - cp's OEIS frontend

A193414 Numbers m such that written in base 2 the structure of digits represents a valley.

n	a(n)
1	1
2	3
3	5
4	7
5	9
6	11
7	13
8	15
9	17
10	19
11	23
12	25
13	27
14	29
15	31
16	33
17	35
18	39
19	47
20	49
21	51
22	55
23	57
24	59
25	61
26	63
27	65
28	67
29	71
30	79
31	95
32	97
33	99
34	103
35	111
36	113
37	115
38	119
39	121
40	123
41	125
42	127
43	129
44	131
45	135
46	143
47	159
48	191
49	193
50	195
51	199
52	207
53	223
54	225
55	227
56	231
57	239
58	241
59	243

[1, 3, 5, 7, 9, 11, 13, 15, 17, 19, 23, 25, 27, 29, 31, 33, 35, 39, 47, 49, 51, 55, 57, 59, 61, 63, 65, 67, 71, 79, 95, 97, 99, 103, 111, 113, 115, 119, 121, 123, 125, 127, 129, 131, 135, 143, 159, 191, 193, 195, 199, 207, 223, 225, 227, 231, 239, 241, 243]

cp's OEIS Frontend

A193414 Numbers m such that written in base 2 the structure of digits represents a valley.

Table of values

List of values

n	a(n)
1	1
2	3
3	5
4	7
5	9
6	11
7	13
8	15
9	17
10	19
11	23
12	25
13	27
14	29
15	31
16	33
17	35
18	39
19	47
20	49
21	51
22	55
23	57
24	59
25	61
26	63
27	65
28	67
29	71
30	79
31	95
32	97
33	99
34	103
35	111
36	113
37	115
38	119
39	121
40	123
41	125
42	127
43	129
44	131
45	135
46	143
47	159
48	191
49	193
50	195
51	199
52	207
53	223
54	225
55	227
56	231
57	239
58	241
59	243

n	a(n)
1	1
2	3
3	5
4	7
5	9
6	11
7	13
8	15
9	17
10	19
11	23
12	25
13	27
14	29
15	31
16	33
17	35
18	39
19	47
20	49
21	51
22	55
23	57
24	59
25	61
26	63
27	65
28	67
29	71
30	79
31	95
32	97
33	99
34	103
35	111
36	113
37	115
38	119
39	121
40	123
41	125
42	127
43	129
44	131
45	135
46	143
47	159
48	191
49	193
50	195
51	199
52	207
53	223
54	225
55	227
56	231
57	239
58	241
59	243

n	a(n)
1	1
2	3
3	5
4	7
5	9
6	11
7	13
8	15
9	17
10	19
11	23
12	25
13	27
14	29
15	31
16	33
17	35
18	39
19	47
20	49
21	51
22	55
23	57
24	59
25	61
26	63
27	65
28	67
29	71
30	79
31	95
32	97
33	99
34	103
35	111
36	113
37	115
38	119
39	121
40	123
41	125
42	127
43	129
44	131
45	135
46	143
47	159
48	191
49	193
50	195
51	199
52	207
53	223
54	225
55	227
56	231
57	239
58	241
59	243