A225795 - cp's OEIS frontend

A225795 Smallest k > 1 such that k^n has k as its middle digits, or 0 if no such k exists.

n	a(n)
1	2
2	50
3	50
4	60
5	70
6	6
7	2
8	7600
9	47
10	5
11	4
12	93
13	6
14	34
15	5
16	9600
17	71
18	4
19	74
20	320
21	3
22	372
23	13
24	846
25	32
26	9600
27	339
28	9765
29	202
30	3
31	69
32	6
33	9900
34	13
35	8586
36	9600
37	4
38	46
39	3
40	4
41	446
42	3
43	9900
44	4
45	1256
46	614
47	819
48	3365
49	8
50	36400
51	76
52	647
53	35
54	39548
55	9900
56	4740

[2, 50, 50, 60, 70, 6, 2, 7600, 47, 5, 4, 93, 6, 34, 5, 9600, 71, 4, 74, 320, 3, 372, 13, 846, 32, 9600, 339, 9765, 202, 3, 69, 6, 9900, 13, 8586, 9600, 4, 46, 3, 4, 446, 3, 9900, 4, 1256, 614, 819, 3365, 8, 36400, 76, 647, 35, 39548, 9900, 4740]

cp's OEIS Frontend

A225795 Smallest k > 1 such that k^n has k as its middle digits, or 0 if no such k exists.

Table of values

List of values