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A133183 Numbers whose square starts with 7 identical digits. 2
745356, 942809, 1490712, 1825742, 3333334, 4714045, 4714046, 5773503, 6666667, 7453560, 8164966, 8819171, 9428090, 10540926, 10540927, 10540928, 10540929, 14907120, 14907121, 14907122, 18257418, 18257419, 18257420, 21081851 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Table of n, a(n) for n=1..24.

EXAMPLE

Example: 745356^2 = 555555566736.

MATHEMATICA

Select[Range[1000, 5000000], Length[Union[Take[IntegerDigits[ #^2], 7]]] == 1 & ]

CROSSREFS

Sequence in context: A227905 A282407 A147707 * A119403 A184149 A133979

Adjacent sequences:  A133180 A133181 A133182 * A133184 A133185 A133186

KEYWORD

nonn,base

AUTHOR

Jonathan Vos Post, Aug 30 2007

EXTENSIONS

a(8)-a(24) from Donovan Johnson, Sep 05 2008

STATUS

approved

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Last modified April 25 12:33 EDT 2019. Contains 322455 sequences. (Running on oeis4.)