%I A094172
%S A094172 0,0,0,21,390,3427,18380,73413,237459,659774,1629116,3666785,7651680
%N A094172 Number of quasi-pentominoes in an n X n bounding box.
%H A094172 Erich Friedman, <a href="a094172.gif">Illustration of initial terms</
               a>
%e A094172 See A094170 for example of similar sequence.
%Y A094172 Cf. A094170, A094171.
%Y A094172 Sequence in context: A004370 A001881 A108740 this_sequence A145613 A015677 
               A113363
%Y A094172 Adjacent sequences: A094169 A094170 A094171 this_sequence A094173 A094174 
               A094175
%K A094172 nonn
%O A094172 0,4
%A A094172 Jon Wild (wild(AT)music.mcgill.ca), May 07 2004
%E A094172 Corrected and extended by Jon Wild (wild(AT)music.mcgill.ca), May 11 
               2004