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%I #5 Jul 12 2014 07:06:04
%S 5,5,25,41,275,505,4005,8193,68855,147117,1277485,2807617,24937335,
%T 55854349,504209895,1145384915,10467805625,24038991995,221828315005,
%U 513848349931,4778788229935,11147995960319,104342997162795
%N Number of length n 0..4 arrays least squares fitting to a zero slope straight line, with a single point taken as having zero slope
%C Column 4 of A245134
%H R. H. Hardin, <a href="/A245130/b245130.txt">Table of n, a(n) for n = 1..210</a>
%e Some solutions for n=10
%e ..1....0....2....2....0....2....2....1....2....2....1....0....0....0....0....1
%e ..4....1....2....0....2....0....4....1....3....3....4....4....4....4....4....4
%e ..0....3....1....3....1....2....4....1....1....1....1....3....1....3....3....3
%e ..2....2....4....0....2....0....4....2....3....3....1....0....3....0....2....2
%e ..1....4....2....1....4....1....0....4....0....1....4....3....1....4....3....3
%e ..4....2....2....0....1....0....2....2....0....2....4....2....3....2....3....1
%e ..4....2....0....1....1....2....2....0....3....2....1....3....2....1....4....4
%e ..1....3....3....3....0....0....3....4....1....2....3....1....0....2....2....0
%e ..2....0....1....1....1....2....4....0....3....0....0....3....1....2....0....3
%e ..1....1....3....1....2....1....3....1....2....4....3....1....3....2....3....3
%K nonn
%O 1,1
%A _R. H. Hardin_, Jul 12 2014