Denominators of the ordinary convergents of continued fraction [2/1,3/2,4/3,5/4,...].

Terms

a(0) =1a(1) =2a(2) =65a(3) =67a(4) =132a(5) =199a(6) =1923a(7) =9814a(8) =11737a(9) =21551a(10) =54839a(11) =76390a(12) =665959a(13) =1408308a(14) =3482575a(15) =11856033a(16) =133898938a(17) =547451785a(18) =681350723a(19) =1228802508a(20) =1910153231a(21) =3138955739a(22) =8188064709a(23) =19515085157a(24) =125278575651a(25) =144793660808a(26) =414865897267a(27) =559659558075