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Revision History for A131573 (Bold, blue-underlined text is an addition; faded, red-underlined text is a ~~deletion~~.)
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A131573

Numbers whose square starts with 3 identical digits.
(history; published version)

#3 by Russ Cox at Fri Mar 30 18:49:09 EDT 2012

AUTHOR

_Tanya Khovanova (tanyakh(AT)yahoo.com), _, Aug 28 2007

Discussion

Fri Mar 30

18:49

OEIS Server: https://oeis.org/edit/global/235

#2 by N. J. A. Sloane at Sun Dec 09 03:00:00 EST 2007

NAME

Numbers whose squares start square starts with 3 identical digits.

KEYWORD

base,nonn,new

#1 by N. J. A. Sloane at Sat Nov 10 03:00:00 EST 2007

NAME

Numbers whose squares start with 3 identical digits.

DATA

149, 298, 334, 472, 667, 745, 882, 1054, 1055, 1056, 1057, 1058, 1490, 1491, 1492, 1493, 1825, 1826, 1827, 2108, 2109, 2356, 2357, 2581, 2582, 2788, 2789, 2980, 2981, 3161, 3162, 3332, 3333, 3334, 3335, 3336, 3337, 3338, 3339, 3340, 3341, 3342, 3343

OFFSET

1,1

EXAMPLE

149^2 = 22201.

MATHEMATICA

Select[Range[10, 5000], Length[Union[Take[IntegerDigits[ #^2], 3]]] == 1 &]

KEYWORD

base,nonn

AUTHOR

Tanya Khovanova (tanyakh(AT)yahoo.com), Aug 28 2007

STATUS

approved