A179907 Numerators in the approximation of sqrt(2) satisfying the recurrence: a(n)= [a(n-1)*a(n-2)+2]/[a(n-1)+a(n-2)] with a(1)=a(2)=1.

1, 1, 3, 7, 41, 577, 47321, 54608393, 5168247530883, 564459384575477049359

Offset: 1

Author

Mark Dols, Aug 01 2010

Keywords

• frac
• nonn

Crossrefs

Cf. A179823