%I A102215
%S A102215 0,0,0,1,0,0,1,0,1,0,0,1,0,0,1,0,0,0,0,0,1,0,1,0,0,0,0,0,1,0,1,0,1,0,
%T A102215 0,1,0,0,0,1,0
%N A102215 Expansion of Pi^2/50 in golden base (i.e. in irrational base phi=(1+sqrt(5))/
               2).
%H A102215 D. H. Bailey, <a href="http://crd.lbl.gov/~dhbailey/dhbpapers/bbp-formulas.pdf">
               A compendium of BBP-type formulas for mathematical constants</a>.
%H A102215 J. Borwein and M. Chamberland, <a href="http://www.cs.dal.ca/~jborwein/
               Drafts/Preprints/SIAM-Probs/siam-bbp-phi.pdf">A golden example</a>
               .
%e A102215 Pi^2/50=1/phi^4+1/phi^7+1/phi^9+1/phi^12+... thus the phinary expansion 
               of Pi^2/50 is 0.0001001010010...
%Y A102215 Sequence in context: A163581 A100283 A064990 this_sequence A038189 A072783 
               A064911
%Y A102215 Adjacent sequences: A102212 A102213 A102214 this_sequence A102216 A102217 
               A102218
%K A102215 base,cons,more,nonn
%O A102215 0,1
%A A102215 Benoit Cloitre (benoit7848c(AT)orange.fr), Feb 18 2005