A256709 - cp's OEIS frontend

A256709 Numbers n such that the decimal expansions of both n and n^2 have 0 as smallest digit and 9 as largest digit.

n	a(n)
1	509
2	890
3	903
4	905
5	930
6	950
7	960
8	970
9	980
10	990
11	1039
12	1091
13	1095
14	1097
15	1390
16	1709
17	1903
18	1905
19	1930
20	1970
21	1980
22	1990
23	2049
24	2093
25	2095
26	2097
27	2190
28	2509
29	2809
30	2903
31	2905
32	2907
33	2930
34	2970
35	2990
36	3009
37	3049
38	3079
39	3090
40	3092
41	3095
42	3097
43	3098
44	3099
45	3209

[509, 890, 903, 905, 930, 950, 960, 970, 980, 990, 1039, 1091, 1095, 1097, 1390, 1709, 1903, 1905, 1930, 1970, 1980, 1990, 2049, 2093, 2095, 2097, 2190, 2509, 2809, 2903, 2905, 2907, 2930, 2970, 2990, 3009, 3049, 3079, 3090, 3092, 3095, 3097, 3098, 3099, 3209]

cp's OEIS Frontend

A256709 Numbers n such that the decimal expansions of both n and n^2 have 0 as smallest digit and 9 as largest digit.

Table of values

List of values