A054035 Numbers n such that n^2 contains exactly 7 different digits.

1017, 1023, 1024, 1027, 1028, 1036, 1037, 1042, 1113, 1117, 1164, 1175, 1176, 1197, 1228, 1267, 1268, 1277, 1302, 1307, 1323, 1328, 1343, 1352, 1355, 1375, 1395, 1405, 1428, 1433, 1441, 1442, 1444, 1463, 1541, 1593, 1594, 1628, 1646, 1648, 1701, 1706

Offset

1,1

Links

John Cerkan, Table of n, a(n) for n = 1..10000

Maple

f := []; for i from 0 to 200 do if nops({op(convert(i^2, base, 10))})=7 then f := [op(f), i] fi; od; f;

Mathematica

Select[Range[2000], Count[DigitCount[#^2], 0]==3&] (* Harvey P. Dale, Jul 28 2012 *)

Crossrefs

Cf. A016069, A054031, A054032, A054033, A054034, A054036, A054037, A054038, A054039.

Sequence in context: A221808 A202905 A213314 * A087837 A235811 A051982

Adjacent sequences: A054032 A054033 A054034 * A054036 A054037 A054038

Keyword

nonn,base

Author

Asher Auel, Feb 29 2000

Status

approved