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A069189 A007913(n)<sqrt(n). 0
4, 8, 9, 12, 16, 18, 25, 27, 32, 36, 45, 48, 49, 50, 54, 63, 64, 72, 75, 80, 81, 96, 98, 100, 108, 112, 121, 125, 128, 144, 147, 150, 160, 162, 169, 175, 176, 180, 192, 196, 200, 208, 216, 224, 225, 240, 242, 243, 245, 250, 252, 256, 275, 288, 289, 294, 300, 320 (list; graph; refs; listen; history; internal format)
OFFSET

1,1

PROG

(PARI) for(n=1, 200, if(core(n)<sqrt(n), print1(n, ", ")))

CROSSREFS

Sequence in context: A048098 A122145 A057109 * A069168 A102211 A119025

Adjacent sequences:  A069186 A069187 A069188 * A069190 A069191 A069192

KEYWORD

easy,nonn

AUTHOR

Benoit Cloitre (benoit7848c(AT)orange.fr), Apr 10 2002

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Last modified February 17 12:31 EST 2012. Contains 206015 sequences.