Numbers k(n) used for Markoff forms determining quadratic irrationals with purely periodic continued fractions.

A305311

Numbers k(n) used for Markoff forms determining quadratic irrationals with purely periodic continued fractions.

Terms

    a(0) =2a(1) =5a(2) =12a(3) =31a(4) =70a(5) =81a(6) =212a(7) =408a(8) =463a(9) =555a(10) =1045a(11) =1453a(12) =2378a(13) =3157a(14) =3804a(15) =6914a(16) =9959a(17) =13860a(18) =15605a(19) =18045a(20) =21622a(21) =26073a(22) =35491a(23) =68260a(24) =80782a(25) =90903a(26) =103247a(27) =123042a(28) =148183a(29) =178707

External references