%I #19 Jul 16 2021 01:38:25
%S 1,2,1,1,1,3,2,3,1,2,4,1,1,2,3,1,2,5,1,3,2,3,1,3,1,2,3,2,1,4,1,4,2,1,
%T 1,2,2,1,2,1,1,1,5,2,1,1,1,2,1,1,2,1,2,1,1,3,1,2,2,5,1,1,2,2,2,1,3,2,
%U 1,3,4,2,1,3,1,3,1,1,1,2,2,2,1,2,1,5,3,3,1,1,1,1,1,1,1,3,2,1,2,1,2,2,3
%N Lengths of runs in A048820.
%D Steven 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>
%F Defined by the property that .0^a 1^b 0^c 1^d ... = 1 / (a + 1/ (b + 1/ (c + ...))) as a continued fraction.
%Y Cf. A048817-A048822.
%K nonn
%O 0,2
%A _Christian G. Bower_, Apr 15 1999
%E Missing a(81)=2 inserted by _Sean A. Irvine_, Jul 15 2021