Numerator sequence of the n-th convergent of the continued fraction 1/(1+3/(2+3/(3+3/(4+...

A222472

Numerator sequence of the n-th convergent of the continued fraction 1/(1+3/(2+3/(3+3/(4+...

Terms

    a(0) =1a(1) =2a(2) =9a(3) =42a(4) =237a(5) =1548a(6) =11547a(7) =97020a(8) =907821a(9) =9369270a(10) =105785433a(11) =1297533006a(12) =17185285377a(13) =244486594296

External references