%I A144546
%S A144546 1,12,11612160,794088208701849600,3575164027575627746190393606144000,10551820470887174073989609091485295443696\
               42384916480000,
%T A144546 20410164807073092317242309800149338693366138889849970301267088483593224192000000,
%U A144546 2587295574075774850262622962936117365998245451792945871371992013928795235580315182529741331547434254336000000\
               0
%N A144546 A bisection of A028666.
%Y A144546 Sequence in context: A013862 A116233 A145745 this_sequence A165970 A081357 
               A127708
%Y A144546 Adjacent sequences: A144543 A144544 A144545 this_sequence A144547 A144548 
               A144549
%K A144546 nonn
%O A144546 0,2
%A A144546 N. J. A. Sloane (njas(AT)research.att.com), Dec 30 2008