a(n) = - 12*a(n-1) - 54*a(n-2) - 112*a(n-3) - 105*a(n-4) - 36*a(n-5) - 2*a(n-6) with a(0)=a(1)=a(2)=0, a(3)=-3, a(4)=24, a(5)=-135.

A215636

a(n) = - 12*a(n-1) - 54*a(n-2) - 112*a(n-3) - 105*a(n-4) - 36*a(n-5) - 2*a(n-6) with a(0)=a(1)=a(2)=0, a(3)=-3, a(4)=24, a(5)=-135.

Terms

    a(0) =0a(1) =0a(2) =0a(3) =-3a(4) =24a(5) =-135a(6) =660a(7) =-3003a(8) =13104a(9) =-55689a(10) =232500a(11) =-958617a(12) =3916440a(13) =-15890355a(14) =64127700a(15) =-257698347a(16) =1032023136a(17) =-4121456625a(18) =16421256420a(19) =-65301500577a(20) =259259758056

External references