Numerators of successive convergents to tan(1/2) using continued fraction 1/(2-1/(6-1/(10-1/(14-1/(18-1/(22-1/(26-1/30-...))))))).

A053987

Numerators of successive convergents to tan(1/2) using continued fraction 1/(2-1/(6-1/(10-1/(14-1/(18-1/(22-1/(26-1/30-...))))))).

Terms

    a(0) =1a(1) =6a(2) =59a(3) =820a(4) =14701a(5) =322602a(6) =8372951a(7) =250865928a(8) =8521068601a(9) =323549740910

External references