A256601 - cp's OEIS frontend

A256601 Numbers n such that the decimal expansions of both n and n^2 have 1 as smallest digit and 9 as largest digit.

n	a(n)
1	139
2	219
3	519
4	591
5	719
6	891
7	911
8	961
9	971
10	981
11	1139
12	1193
13	1219
14	1292
15	1293
16	1296
17	1319
18	1339
19	1389
20	1391
21	1392
22	1394
23	1396
24	1469
25	1579
26	1589
27	1691
28	1719
29	1729
30	1769
31	1793
32	1839
33	1869
34	1896
35	1911
36	1927
37	1937
38	1939
39	1944
40	1946
41	1969
42	1978
43	1979
44	1981
45	1986

[139, 219, 519, 591, 719, 891, 911, 961, 971, 981, 1139, 1193, 1219, 1292, 1293, 1296, 1319, 1339, 1389, 1391, 1392, 1394, 1396, 1469, 1579, 1589, 1691, 1719, 1729, 1769, 1793, 1839, 1869, 1896, 1911, 1927, 1937, 1939, 1944, 1946, 1969, 1978, 1979, 1981, 1986]

cp's OEIS Frontend

A256601 Numbers n such that the decimal expansions of both n and n^2 have 1 as smallest digit and 9 as largest digit.

Table of values

List of values