%I #6 Nov 28 2017 11:36:33
%S 2,3,7,17,241,199,647,1117,4231,8161,15361,28057,67801,308509,263101,
%T 515089,1525921,2103817,3376459
%N Maxima of the numerators (and also of the denominators) of row n in the Schinzel-Sierpinski tree of fractions A295511.
%o (Sage)
%o def A295509(n):
%o return max(A295510_row(n))
%o [A295509(n) for n in (1..10)]
%Y Cf. A295510, A295511, A295512.
%K nonn,more
%O 1,1
%A _Peter Luschny_, Nov 24 2017