Let b(0)=1; b(1)=1; b(n+2) = (Pi^2/6 + 6/Pi^2)*b(n+1) - b(n). a(n) = floor(b(n)).

Terms

a(0) =1a(1) =1a(2) =2a(3) =4a(4) =7a(5) =12a(6) =20a(7) =33a(8) =54a(9) =90a(10) =148a(11) =244a(12) =401a(13) =660a(14) =1086a(15) =1786a(16) =2939a(17) =4835a(18) =7953a(19) =13082a(20) =21520a(21) =35399a(22) =58230a(23) =95785a(24) =157560a(25) =259175a(26) =426327a(27) =701280a(28) =1153559a(29) =1897529