Search: id:A073768
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%I A073768
%S A073768 1,1,2,2,12,6,6,72,90,20,24,480,1080,560,70,120,3600,12600,11200,3150,
%T A073768 252,720,30240,151200,201600,94500,16632,924,5040,282240,1905120,
%U A073768 3528000,2425500,698544,84084,3432,40320,2903040,25401600,62092800
%N A073768 Triangle of coefficients of Bateman polynomial n!Z_n(-x).
%e A073768 1; 1,2; 2,12,6; 6,72,90,20; 24,480,1080,560,70; ...
%e A073768 2!Z_2(-x)=2+12x+6x^2.
%o A073768 (PARI) T(n,k)=if(k<0|k>n,0,n!*(n+k)!/(n-k)!/k!^3)
%Y A073768 A073767 gives row sums.
%Y A073768 Sequence in context: A109813 A086595 A013605 this_sequence A096855 A024538 
               A109767
%Y A073768 Adjacent sequences: A073765 A073766 A073767 this_sequence A073769 A073770 
               A073771
%K A073768 nonn,tabl
%O A073768 0,3
%A A073768 Michael Somos

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