document.write( "Question 1010133: Find General term for (An) for arithmetic sequence where\r
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Algebra.Com's Answer #625626 by josgarithmetic(39618)\"\" \"About 
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\"%2825-13%29%2F3=4\" for the common difference;\r
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\n" ); document.write( "\n" ); document.write( "\"13%2B%28n-1%29%2A4\", general term, using n for the index.\r
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\n" ); document.write( "\n" ); document.write( "The number of common differences from \"a%5B1%5D\" to \"a%5B4%5D\" is three of them.
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