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)=3, a(1)=-6, a(2)=18, a(3)=-60, a(4)=210, a(5)=-756.
A215635
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)=3, a(1)=-6, a(2)=18, a(3)=-60, a(4)=210, a(5)=-756.
Terms
- a(0) =3a(1) =-6a(2) =18a(3) =-60a(4) =210a(5) =-756a(6) =2772a(7) =-10296a(8) =38610a(9) =-145860a(10) =554268a(11) =-2116296a(12) =8112462a(13) =-31201644a(14) =120347532a(15) =-465328200a(16) =1803025410a(17) =-6999149124a(18) =27213719148a(19) =-105960069864a(20) =413078158350
External references
- oeis: A215635