A061808 - cp's OEIS frontend

A061808 a(n) is the smallest number with all digits odd that is divisible by 2n-1.

n	a(n)
1	1
2	3
3	5
4	7
5	9
6	11
7	13
8	15
9	17
10	19
11	315
12	115
13	75
14	135
15	319
16	31
17	33
18	35
19	37
20	39
21	533
22	559
23	135
24	517
25	539
26	51
27	53
28	55
29	57
30	59
31	793
32	315
33	195
34	335
35	759
36	71
37	73
38	75
39	77
40	79
41	1377
42	913
43	595
44	957
45	979
46	91
47	93
48	95
49	97
50	99
51	1111
52	515
53	315
54	535
55	1199
56	111
57	113
58	115
59	117
60	119
61	1331
62	1353
63	375
64	1397
65	1935

[1, 3, 5, 7, 9, 11, 13, 15, 17, 19, 315, 115, 75, 135, 319, 31, 33, 35, 37, 39, 533, 559, 135, 517, 539, 51, 53, 55, 57, 59, 793, 315, 195, 335, 759, 71, 73, 75, 77, 79, 1377, 913, 595, 957, 979, 91, 93, 95, 97, 99, 1111, 515, 315, 535, 1199, 111, 113, 115, 117, 119, 1331, 1353, 375, 1397, 1935]

cp's OEIS Frontend

A061808 a(n) is the smallest number with all digits odd that is divisible by 2n-1.

Table of values

List of values