%I M4883 #12 Apr 28 2013 17:57:23
%S 12,2772,21624369228,10111847525912679844170507482772
%N Denominators of a continued fraction for 1 + sqrt(2).
%D N. J. A. Sloane and Simon Plouffe, The Encyclopedia of Integer Sequences, Academic Press, 1995 (includes this sequence).
%H Jeffrey Shallit, <a href="http://archive.org/details/jresv80Bn2p285">Predictable regular continued cotangent expansions</a>, J. Res. Nat. Bur. Standards Sect. B 80B (1976), no. 2, 285-290.
%Y For numerators see A006271.
%K nonn
%O 0,1
%A _N. J. A. Sloane_.