Pisot sequence P(2,7): a(0)=2, a(1)=7, thereafter a(n+1) is the nearest integer to a(n)^2/a(n-1).
A020727
Pisot sequence P(2,7): a(0)=2, a(1)=7, thereafter a(n+1) is the nearest integer to a(n)^2/a(n-1).
Terms
- a(0) =2a(1) =7a(2) =24a(3) =82a(4) =280a(5) =956a(6) =3264a(7) =11144a(8) =38048a(9) =129904a(10) =443520a(11) =1514272a(12) =5170048a(13) =17651648a(14) =60266496a(15) =205762688a(16) =702517760a(17) =2398545664a(18) =8189147136a(19) =27959497216a(20) =95459694592a(21) =325919783936
External references
- oeis: A020727