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 A117218 Squares divisible by their number of digits. 0
 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 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,3 LINKS EXAMPLE 225 is in the sequence because it is a square divisible by 3. MATHEMATICA Join[{0}, Select[Range[200]^2, Divisible[#, IntegerLength[#]]&]] (* Harvey P. Dale, May 06 2015 *) PROG (PARI) lista(nn) = {for (i=0, nn, if (issquare(i) && (i % #Str(i) == 0) , print1(i, ", ")); ); } \\ Michel Marcus, Jun 01 2013 CROSSREFS Intersection of A000290 and A098952. Sequence in context: A256944 A106575 A025620 * A226076 A272711 A018228 Adjacent sequences:  A117215 A117216 A117217 * A117219 A117220 A117221 KEYWORD base,easy,nonn AUTHOR Luc Stevens (lms022(AT)yahoo.com), Apr 21 2006 EXTENSIONS 3364 inserted by Michel Marcus, Jun 01 2013 Corrected and extended by Harvey P. Dale, May 06 2015 STATUS approved

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Last modified October 16 20:55 EDT 2019. Contains 328103 sequences. (Running on oeis4.)