Pisot sequence E(4,10).

Terms

a(0) =4a(1) =10a(2) =25a(3) =63a(4) =159a(5) =401a(6) =1011a(7) =2549a(8) =6427a(9) =16205a(10) =40859a(11) =103021a(12) =259755a(13) =654941a(14) =1651355a(15) =4163693a(16) =10498251a(17) =26470077a(18) =66741115a(19) =168279693a(20) =424297003a(21) =1069813853a(22) =2697406939a(23) =6801187117a(24) =17148375179a(25) =43237565181a(26) =109018319419a(27) =274876578253a(28) =693068226283