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%I #2 Mar 30 2012 18:59:44
%S 1,2,-640,-55050240,2678771102515200,138029104604220676374528000,
%T -12755118515091679234002154772496384000000,
%U -3319735985081076411622842555075338617937492705280000000000
%N Row sums of the FP4 polynomials of A156933
%C The row sums of the FP4 have simple prime factors.
%Y Row sums of A156933.
%K easy,sign
%O 0,2
%A _Johannes W. Meijer_, Feb 20 2009