A244927 - cp's OEIS frontend

A244927 Least positive number k such that k*n written in base 10 is either a repunit or of the form 1111....0000.

n	a(n)
1	1
2	5
3	37
4	25
5	2
6	185
7	15873
8	125
9	12345679
10	1
11	1
12	925
13	8547
14	79365
15	74
16	625
17	65359477124183
18	61728395
19	5847953216374269
20	5
21	5291
22	5
23	48309178743961352657
24	4625
25	4
26	42735
27	4115226337448559670781893
28	396825
29	38314176245210727969348659
30	37
31	3584229390681
32	3125
33	3367
34	326797385620915

[1, 5, 37, 25, 2, 185, 15873, 125, 12345679, 1, 1, 925, 8547, 79365, 74, 625, 65359477124183, 61728395, 5847953216374269, 5, 5291, 5, 48309178743961352657, 4625, 4, 42735, 4115226337448559670781893, 396825, 38314176245210727969348659, 37, 3584229390681, 3125, 3367, 326797385620915]

cp's OEIS Frontend

A244927 Least positive number k such that k*n written in base 10 is either a repunit or of the form 1111....0000.

Table of values

List of values