a(n) = floor(tau*a(n-2)) + a(n-1) with a(0)=0 and a(1)=1.

Terms

a(0) =0a(1) =1a(2) =1a(3) =2a(4) =3a(5) =6a(6) =10a(7) =19a(8) =35a(9) =65a(10) =121a(11) =226a(12) =421a(13) =786a(14) =1467a(15) =2738a(16) =5111a(17) =9541a(18) =17810a(19) =33247a(20) =62064a(21) =115858a(22) =216279a(23) =403741a(24) =753687a(25) =1406953a(26) =2626444a(27) =4902941a(28) =9152616a(29) =17085741