document.write( "Question 1086915: what kind of sequence is this?
\n" ); document.write( "144, 169, 196, 225\r
\n" ); document.write( "\n" ); document.write( "arithmetic, geometric, both or neither
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Algebra.Com's Answer #701159 by Fombitz(32388)\"\" \"About 
You can put this solution on YOUR website!
Look at the square root of each number,
\n" ); document.write( "\"sqrt%28144%29=12\"
\n" ); document.write( "\"sqrt%28169%29=13\"
\n" ); document.write( "\"sqrt%28196%29=14\"
\n" ); document.write( "\"sqrt%28225%29=15\"
\n" ); document.write( "Neither.
\n" ); document.write( "\"a%5Bn%5D=%28n%2B11%29%5E2\"
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