Numerators of continued fraction convergents to sqrt(247).

Terms

a(0) =15a(1) =16a(2) =47a(3) =63a(4) =110a(5) =1053a(6) =1163a(7) =11520a(8) =12683a(9) =24203a(10) =61089a(11) =85292a(12) =2619849a(13) =2705141a(14) =8030131a(15) =10735272a(16) =18765403a(17) =179623899a(18) =198389302a(19) =1965127617a(20) =2163516919a(21) =4128644536a(22) =10420805991a(23) =14549450527