Interleave denominators and numerators of convergents to sqrt(3).

Terms

a(0) =1a(1) =1a(2) =2a(3) =3a(4) =4a(5) =7a(6) =11a(7) =15a(8) =26a(9) =41a(10) =56a(11) =97a(12) =153a(13) =209a(14) =362a(15) =571a(16) =780a(17) =1351a(18) =2131a(19) =2911a(20) =5042a(21) =7953a(22) =10864a(23) =18817a(24) =29681a(25) =40545a(26) =70226a(27) =110771a(28) =151316a(29) =262087