%I A078260
%S A078260 5,25,500,2500,500000,25000000,5000000000,125000000000,50000000000000,
%T A078260 2500000000000000,500000000000000000,6250000000000000000,
%U A078260 5000000000000000000000,250000000000000000000000
%N A078260 a(n) = denominator(N), where N = 0.246...up to 2n (concatenation 2 to 
               2n of first n even numbers after decimal point).
%Y A078260 Cf. A078261.
%Y A078260 Sequence in context: A072324 A082026 A101392 this_sequence A007185 A030995 
               A067270
%Y A078260 Adjacent sequences: A078257 A078258 A078259 this_sequence A078261 A078262 
               A078263
%K A078260 base,frac,nonn
%O A078260 1,1
%A A078260 Amarnath Murthy (amarnath_murthy(AT)yahoo.com), Nov 24 2002
%E A078260 More terms from Sascha Kurz (sascha.kurz(AT)uni-bayreuth.de), Jan 04 
               2003