Pisot sequence E(4,19), a(n) = floor( a(n-1)^2/a(n-2)+1/2 ).
A010907
Pisot sequence E(4,19), a(n) = floor( a(n-1)^2/a(n-2)+1/2 ).
Terms
- a(0) =4a(1) =19a(2) =90a(3) =426a(4) =2016a(5) =9541a(6) =45154a(7) =213697a(8) =1011348a(9) =4786332a(10) =22651920a(11) =107203069a(12) =507352048a(13) =2401107571a(14) =11363544486a(15) =53779407822a(16) =254517831936
External references
- oeis: A010907