A092358 - cp's OEIS frontend

A092358 Let R_{k}(m) = the digit reversal of m in base k (R_{k}(m) is written in base 10). a(n) is the smallest x such that there are exactly n bases {k} (k >= 2 and (x < y)) solutions of the equation: R_{k}(x) = y and R_{k}(y) = x.

%I A092358 #7 Nov 05 2013 02:32:50
%S A092358 5,11,47,67
%N A092358 Let R_{k}(m) = the digit reversal of m in base k (R_{k}(m) is written in base 10). a(n) is the smallest x such that there are exactly n bases {k} (k >= 2 and (x < y)) solutions of the equation: R_{k}(x) = y and R_{k}(y) = x.
%e A092358 a(2)=11 because there are two solutions: R_{3}(11) = 19 and R_{3}(19) = 11, R_{9}(11) = 19 and R_{9}(19) = 11.
%Y A092358 Cf. A004086, A030101-A030108, A056960-A056963, A037183, A091974.
%K A092358 more,nonn,base
%O A092358 1,1
%A A092358 _Naohiro Nomoto_, Mar 18 2004

cp's OEIS Frontend

A092358 Let R_{k}(m) = the digit reversal of m in base k (R_{k}(m) is written in base 10). a(n) is the smallest x such that there are exactly n bases {k} (k >= 2 and (x < y)) solutions of the equation: R_{k}(x) = y and R_{k}(y) = x.