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A117218
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Squares divisible by their number of digits.
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1
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0, 1, 4, 9, 16, 36, 64, 144, 225, 324, 441, 576, 729, 900, 1024, 1156, 1296, 1444, 1600, 1764, 1936, 2116, 2304, 2500, 2704, 2916, 3136, 3364, 3600, 3844, 4096, 4356, 4624, 4900, 5184, 5476, 5776, 6084, 6400, 6724, 7056, 7396, 7744, 8100, 8464, 8836, 9216, 9604, 10000
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OFFSET
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1,3
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LINKS
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EXAMPLE
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225 is in the sequence because it is a square divisible by 3.
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MATHEMATICA
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Join[{0}, Select[Range[200]^2, Divisible[#, IntegerLength[#]]&]] (* Harvey P. Dale, May 06 2015 *)
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PROG
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(PARI) lista(nn) = {for (i=0, nn, if (issquare(i) && (i % #Str(i) == 0) , print1(i, ", ")); ); } \\ Michel Marcus, Jun 01 2013
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CROSSREFS
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KEYWORD
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base,easy,nonn
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AUTHOR
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Luc Stevens (lms022(AT)yahoo.com), Apr 21 2006
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EXTENSIONS
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STATUS
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approved
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