Sequence a(n) = 3*A002559(n) - 2 determining the principal reduced indefinite binary quadratic form [1, a(n), -a(n)] for Markoff triples.

A324250

Sequence a(n) = 3*A002559(n) - 2 determining the principal reduced indefinite binary quadratic form [1, a(n), -a(n)] for Markoff triples.

Terms

    a(0) =1a(1) =4a(2) =13a(3) =37a(4) =85a(5) =100a(6) =265a(7) =505a(8) =580a(9) =697a(10) =1297a(11) =1828a(12) =2953a(13) =3973a(14) =4789a(15) =8689a(16) =12541a(17) =17221a(18) =19396a(19) =22681a(20) =27229a(21) =32836a(22) =44101a(23) =85969a(24) =100381a(25) =112996a(26) =129781a(27) =154921a(28) =186628a(29) =225073

External references