A195558 - OEIS

%I #9 Jun 04 2015 14:27:20

%S 1,13,25,37,493,949,1405,18721,36037,53353,710905,1368457,2026009,

%T 26995669,51965329,76934989,1025124517,1973314045,2921503573,

%U 38927735977,74933968381,110940200785,1478228842609,2845517484433,4212806126257

%N Hypotenuses of primitive Pythagorean triples in A195556 and A195557.

%C See A195500 for discussion and list of related sequences; see A195556 for Mathematica program.

%F Empirical g.f.: -x*(x^5+x^4+x^3-25*x^2-13*x-1)/(x^6-38*x^3+1). - _Colin Barker_, Jun 04 2015

%Y Cf. A195500, A195556, A195557.

%K nonn

%O 1,2

%A _Clark Kimberling_, Sep 21 2011