Numerators of continued fraction convergents to sqrt(5/4).

Terms

a(0) =1a(1) =9a(2) =19a(3) =161a(4) =341a(5) =2889a(6) =6119a(7) =51841a(8) =109801a(9) =930249a(10) =1970299a(11) =16692641a(12) =35355581a(13) =299537289a(14) =634430159a(15) =5374978561a(16) =11384387281a(17) =96450076809a(18) =204284540899