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<font size=3>At 10:53 PM 10/9/2002 +0200, ZAKIRS wrote:<br>
<blockquote type=cite cite>i don't know but have a look at A001597,
A023055, A023057. zak</font></blockquote><br>
<br>
A23057 is for _adjacent_ perfect powers. There are solutions to the
equation that aren't in A23057, for instance 29 = 15^2-14^2, but these
are not adjacent perfect powers because 6^3 is between 14^2 and
15^2.<br>
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McCranie
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