a(n) = denominator of b(n): b(1)=1; b(n+1) = [b(1);b(2),...,b(n),1], where [...] is a continued fraction of rational terms.

A128300

a(n) = denominator of b(n): b(1)=1; b(n+1) = [b(1);b(2),...,b(n),1], where [...] is a continued fraction of rational terms.

Terms

    a(0) =1a(1) =1a(2) =3a(3) =17a(4) =553a(5) =586897a(6) =659232805921

External references