a(n) = floor(a(n-2)^2/a(n-1)) + a(n-1) + a(n-2), a(0) = 0, a(1) = 1, a(2) = 1, ...

Terms

a(0) =0a(1) =1a(2) =1a(3) =3a(4) =4a(5) =9a(6) =14a(7) =28a(8) =49a(9) =93a(10) =167a(11) =311a(12) =567a(13) =1048a(14) =1921a(15) =3540a(16) =6503a(17) =11970a(18) =22005a(19) =40486a(20) =74451a(21) =136953a(22) =251877a(23) =463295a(24) =852108a(25) =1567298a(26) =2882679a(27) =5302108a(28) =9752057a(29) =17936874