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A167043
Squares that remain squares when prefixed with an 8.
3
1, 100, 1225, 10000, 93025, 122500, 1000000, 9302500, 12250000, 100000000, 930250000, 1225000000, 10000000000, 14731890625, 93025000000, 122500000000, 863273265625, 1000000000000, 1473189062500, 9302500000000, 12250000000000, 86327326562500, 100000000000000
OFFSET
1,2
EXAMPLE
1=1^2 is a square and becomes the square 81=9^2 if an eight is attached in front.
CROSSREFS
Sequence in context: A163450 A284591 A129725 * A274943 A203283 A231139
KEYWORD
nonn,base
AUTHOR
Claudio Meller, Oct 27 2009
EXTENSIONS
Definition supplied by R. J. Mathar, Oct 28 2009
More terms from Chai Wah Wu, Sep 11 2014
STATUS
approved