1,2

Essentially the same as A225667 and A132338. - R. J. Mathar, Sep 30 2013

Ivan Panchenko, Table of n, a(n) for n = 1..1000

(25-10*sqrt(5))/2 = 25/2 - 5*sqrt(5) = 1.319660... .

Cf. A187426, A187798, A094874, A187799.

Sequence in context: A242402 A217629 A127552 * A185580 A052931 A006803

Adjacent sequences: A229756 A229757 A229758 * A229760 A229761 A229762

cons,nonn

Joost Gielen, Sep 28 2013

approved