cp's OEIS Frontend

A075788 If n can be written in the form r^i-s^j (see A074981), where r,s,i,j are integers with r>0, s>0, i>1, j>1 choose the representation with smallest r^i (in case of ties, minimize i and j); or if n is not of this form set r=s=i=j=0; sequence gives values of r.

%I A075788 #5 Mar 30 2012 17:38:03
%S A075788 3,3,2,2,3,0,4,4,5,13,3,4,7,0,8,5,5,3,3,6,5,7,3,2,5,35,6,2,15,83,16,6,
%T A075788 7,0,18,10,8,37,8,7,7,0,22,5,7,17,2,8,9,0,10,14,27,9,8,8,11,0,30,8,5,
%U A075788 0,12,10,9,0,34,10,13,0,14,9,9,3,10,5,9,0,2,12,15,0,42,10,11,0,16,13,11,0,10
%N A075788 If n can be written in the form r^i-s^j (see A074981), where r,s,i,j are integers with r>0, s>0, i>1, j>1 choose the representation with smallest r^i (in case of ties, minimize i and j); or if n is not of this form set r=s=i=j=0; sequence gives values of r.
%C A075788 The zeros are only conjectures (cf. A074981).
%C A075788 Use 4^2 rather than 2^4, etc.
%e A075788 1 = 3^2 - 2^3, 2 = 3^3 - 5^2, 3 = 2^2 - 1^2, 4 = 2^3 - 2^2, etc.
%K A075788 nonn
%O A075788 1,1
%A A075788 _Zak Seidov_, Oct 13 2002
%E A075788 More terms from _David Wasserman_, Jan 23 2005