a(n)= 4*a(n-1) +13*a(n-2) -44*a(n-3) -57*a(n-4) +120*a(n-5) +63*a(n-6) -56*a(n-7) +6*a(n-8).
A121798
a(n)= 4*a(n-1) +13*a(n-2) -44*a(n-3) -57*a(n-4) +120*a(n-5) +63*a(n-6) -56*a(n-7) +6*a(n-8).
Terms
- a(0) =0a(1) =28a(2) =408a(3) =1502a(4) =7821a(5) =31911a(6) =145162a(7) =616196a(8) =2706385a(9) =11640499a(10) =50598522a(11) =218517332a(12) =946752849a(13) =4093542243a(14) =17716803778a(15) =76627964684a(16) =331523693857
External references
- oeis: A121798