%I A147719
%S A147719 1,1,1,2,6,21,91,462,2646,16841,117931,900922,7456086,66453661,
%T A147719 634585771,6463837382,69955114326,801626558481,9696295037611,
%U A147719 123457062745842,1650499351041366,23116291464379301,338474628835617451
%N A147719 A141479(n+1)/3.
%Y A147719 Sequence in context: A150226 A150227 A033540 this_sequence A115089 A001928 
               A005638
%Y A147719 Adjacent sequences: A147716 A147717 A147718 this_sequence A147720 A147721 
               A147722
%K A147719 nonn
%O A147719 0,4
%A A147719 Paul Curtz (bpcrtz(AT)free.fr), Nov 11 2008
%E A147719 More terms from R. J. Mathar (mathar(AT)strw.leidenuniv.nl), Jan 22 2009