a(n) = 4*a(n-1) + 4*a(n-2) for n > 1; a(0) = 1, a(1) = 14.
A164540
a(n) = 4*a(n-1) + 4*a(n-2) for n > 1; a(0) = 1, a(1) = 14.
Terms
- a(0) =1a(1) =14a(2) =60a(3) =296a(4) =1424a(5) =6880a(6) =33216a(7) =160384a(8) =774400a(9) =3739136a(10) =18054144a(11) =87173120a(12) =420909056a(13) =2032328704a(14) =9812951040a(15) =47381118976a(16) =228776280064
External references
- oeis: A164540