%I #20 Apr 18 2019 17:35:12
%S 0,1,1,0,1,0,1,1,1,0,0,1,1,1,0,1,1,0,0,0,0,1,0,1,1,0,0,0,1,0,0,1,1,1,
%T 1,1,0,1,1,1,0,0,1,1,1,0,1,1,1,0,1,1,0,0,0,1,1,0,1,1,1,1,0,1,1,1,1,0,
%U 0,1,0,1,1,0,0,1,0,0,1,0,1,0,0,0,0,0,1,1,0,1,0,1,1,0,1,0,0,1,0,0,1,0
%N Binary expansion of one of four fixed points (mod 1) of Minkowski's question mark function.
%C Other fixed points (mod 1) are 0, 1/2 and 1-A048820. - Joseph Biberstine (jrbibers(AT)indiana.edu), Jun 10 2006
%D S. R. Finch, Mathematical Constants, Cambridge, 2003, pp. 441-443.
%H Steven R. Finch, <a href="http://www.people.fas.harvard.edu/~sfinch/constant/cntfrc/mnkwsk.html">Minkowski's Question Mark Function</a> [Broken link]
%H Steven R. Finch, <a href="http://web.archive.org/web/20010208143502/http://www.mathsoft.com/asolve/constant/cntfrc/mnkwsk.html">Minkowski's Question Mark Function</a> [From the Wayback machine]
%H <a href="/index/Me#MinkowskiQ">Index entries for Minkowski's question mark function</a>
%H <a href="/index/Me#MinkowskiQ">Index entries for sequences related to Minkowski's question mark function</a>
%e 0.011010...
%Y Cf. A048817, A048818, A048819, A048821, A048822.
%K nonn,cons,base
%O 0,1
%A _Christian G. Bower_, Apr 15 1999