Numerators of continued fraction convergents to sqrt(13)/2 = A295330.

Terms

a(0) =1a(1) =2a(2) =9a(3) =128a(4) =521a(5) =649a(6) =1819a(7) =2468a(8) =11691a(9) =166142a(10) =676259a(11) =842401a(12) =2361061a(13) =3203462a(14) =15174909a(15) =215652188a(16) =877783661a(17) =1093435849a(18) =3064655359a(19) =4158091208a(20) =19697020191a(21) =279916373882