Pisot sequence E(4,21), a(n) = floor(a(n-1)^2/a(n-2) + 1/2).
A010908
Pisot sequence E(4,21), a(n) = floor(a(n-1)^2/a(n-2) + 1/2).
Terms
- a(0) =4a(1) =21a(2) =110a(3) =576a(4) =3016a(5) =15792a(6) =82688a(7) =432960a(8) =2267008a(9) =11870208a(10) =62153216a(11) =325438464a(12) =1704017920a(13) =8922353664a(14) =46718050304a(15) =244618887168
External references
- oeis: A010908