A119866 Numbers whose square starts with 5 identical digits.

10541, 33334, 47141, 57735, 66667, 105409, 105410, 105411, 105412, 105413, 149071, 149072, 149073, 182574, 182575, 182576, 210818, 210819, 235702, 235703, 258198, 258199, 278886, 278887, 298141, 298142, 316227, 333332, 333333, 333334

Offset

1,1

Links

Table of n, a(n) for n=1..30.

Example

10541^2=111112681, 33334^2=1111155556.

Mathematica

Select[ Range[ 100, 500000 ], Length[ Union[ Take[ IntegerDigits[ #^2 ], 5 ] ] ] == 1 & ] (Jonathan Vos Post, Aug 29 2007)

Crossrefs

Cf. A119511, A131573, A132391, A133183.

Sequence in context: A157487 A203666 A346892 * A292703 A065319 A063060

Adjacent sequences: A119863 A119864 A119865 * A119867 A119868 A119869

Keyword

nonn,base

Author

Zak Seidov, Aug 04 2006

Status

approved