a(n) = 5*a(n-1)+16*a(n-2), n>1 ; a(0)=0, a(1)=1.

Terms

a(0) =0a(1) =1a(2) =5a(3) =41a(4) =285a(5) =2081a(6) =14965a(7) =108121a(8) =780045a(9) =5630161a(10) =40631525a(11) =293240201a(12) =2116305405a(13) =15273370241a(14) =110227737685a(15) =795512612281