Size of the Hilbert basis of the cone { x in Z+^n : (a,x)=0 } where a=(-1,1,2,...,n-2,-(n-1)).

Terms

a(0) =2a(1) =6a(2) =12a(3) =26a(4) =38a(5) =82a(6) =116a(7) =204a(8) =290a(9) =554a(10) =633a(11) =1276a(12) =1566a(13) =2367a(14) =3314a(15) =5739a(16) =6227a(17) =11403a(18) =12394a(19) =18965a(20) =25234a(21) =40499a(22) =40711a(23) =68863a(24) =82750a(25) =114969a(26) =135308a(27) =220423a(28) =211638a(29) =370696