%I A014484
%S A014484 1,10,112,1440,21120,349440,6451200,131604480,2941747200,
%T A014484 71530905600,1880240947200,53137244160000,1606870263398400,
%U A014484 51776930709504000,1771128112545792000,64103411041173504000
%N A014484 Expansion of (1+2x)/(1-2x)^4.
%F A014484 (n+1)(n+2)(2n+3)/6 * 2^n * n!. - R. Stephan, Mar 24 2004
%Y A014484 Cf. A006157.
%Y A014484 Sequence in context: A084031 A066275 A046164 this_sequence A110040 A129866 
               A024130
%Y A014484 Adjacent sequences: A014481 A014482 A014483 this_sequence A014485 A014486 
               A014487
%K A014484 nonn
%O A014484 0,2
%A A014484 N. J. A. Sloane (njas(AT)research.att.com).