a(n) = T(8,n), array T given by A048483.

Terms

a(0) =1a(1) =10a(2) =28a(3) =64a(4) =136a(5) =280a(6) =568a(7) =1144a(8) =2296a(9) =4600a(10) =9208a(11) =18424a(12) =36856a(13) =73720a(14) =147448a(15) =294904a(16) =589816a(17) =1179640a(18) =2359288a(19) =4718584a(20) =9437176a(21) =18874360a(22) =37748728a(23) =75497464a(24) =150994936a(25) =301989880a(26) =603979768a(27) =1207959544a(28) =2415919096