Pisot sequence E(5,21), a(n) = floor( a(n-1)^2/a(n-2) + 1/2 ).

A010917

Pisot sequence E(5,21), a(n) = floor( a(n-1)^2/a(n-2) + 1/2 ).

Terms

    a(0) =5a(1) =21a(2) =88a(3) =369a(4) =1547a(5) =6486a(6) =27193a(7) =114009a(8) =477993a(9) =2004029a(10) =8402073a(11) =35226452a(12) =147690090a(13) =619204077a(14) =2596069167a(15) =10884255079a(16) =45633225081a(17) =191321428631a(18) =802132415328

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