document.write( "Question 668948: Find the next number in the sequence:
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Algebra.Com's Answer #415970 by Edwin McCravy(20054)\"\" \"About 
You can put this solution on YOUR website!
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document.write( "3, 12, 21, 30, 33, 102\r\n" );
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document.write( "We observe that those are all multiples of 3.  \r\n" );
document.write( "Now we'll find all the multiples of 3 to find\r\n" );
document.write( "out why those are different from the other multiples of 3.\r\n" );
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document.write( "Here are all the multiples of 3 less than 200\r\n" );
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document.write( "3, 6, 9, 12, 15, 18, 21, 24, 27, 30\r\n" );
document.write( "33, 36, 39, 42, 45, 48, 51, 54, 57, 60\r\n" );
document.write( "63, 66, 69, 72, 75, 78, 81, 84, 87, 90\r\n" );
document.write( "93, 96, 99, 102, 105, 108, 111, 114, 117, 120\r\n" );
document.write( "123, 126, 129, 132, 135, 138, 141, 144, 147, 150\r\n" );
document.write( "153, 156, 159, 162, 165, 168, 171, 174, 177, 180\r\n" );
document.write( "183, 186, 189, 192, 195, 198\r\n" );
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document.write( "I notice that all the others have digits which are \r\n" );
document.write( "greater than 3, so this is the sequence of all multiples\r\n" );
document.write( "of 3 which have no digits larger than 3.\r\n" );
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document.write( "So the sequence goes like this\r\n" );
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document.write( "3, 12, 21, 30, 33, 102, 111, 120, 123,\r\n" );
document.write( "132, 201, 210, 213, 222, 231, 300, 303, 312, 321,\r\n" );
document.write( "330, 333, 1002, 1011, etc.\r\n" );
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document.write( "You just wanted the next one after 102 which is 111.\r\n" );
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document.write( "Edwin
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