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A195561 Hypotenuses of primitive Pythagorean triples in A195559 and A195560. 4

%I #9 Jun 04 2015 14:32:46

%S 1,5,109,289,1009,1189,6485,141481,375121,1309681,1543321,8417525,

%T 183642229,486906769,1699964929,2003229469,10925940965,238367471761,

%U 632004611041,2206553168161,2600190307441,14181862955045,309400794703549

%N Hypotenuses of primitive Pythagorean triples in A195559 and A195560.

%C See A195500 for discussion and list of related sequences; see A195559 for Mathematica program.

%F Empirical g.f.: -x*(x^9+x^8+x^7+5*x^6+109*x^5-1009*x^4-289*x^3-109*x^2-5*x-1) / (x^10-1298*x^5+1). - _Colin Barker_, Jun 04 2015

%Y Cf. A195500, A195559, A195560.

%K nonn

%O 1,2

%A _Clark Kimberling_, Sep 21 2011

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Last modified August 23 11:42 EDT 2024. Contains 375396 sequences. (Running on oeis4.)