%I #7 Apr 30 2014 01:31:03
%S 2,5,31,276,3111,42143,666128,12033346,244550149,5522134317,
%T 137163540306,3716712490472,109104171183047,3449120959632091,
%U 116825788063473052,4220828797872750510,162026366682646437513
%N "BIJ" (reversible, indistinct, labeled) transform of 2,1,1,1...
%H C. G. Bower, <a href="/transforms2.html">Transforms (2)</a>
%F Numbers so far suggest that a(n) = (A006155(n)+1)/2. - _Ralf Stephan_, Mar 12 2004
%K nonn
%O 1,1
%A _Christian G. Bower_