Search: id:A014479
Results 1-1 of 1 results found.

%I A014479
%S A014479 1,8,72,768,9600,138240,2257920,41287680,836075520,18579456000,
%T A014479 449622835200,11771943321600,331576403558400,9998303861145600,
%U A014479 321374052679680000,10969567664799744000,396275631890890752000
%N A014479 Exponential generating function = (1+2x)/(1-2x)^3.
%F A014479 a(n) = A014477(n) * n!. - Franklin T. Adams-Watters (FrankTAW(AT)Netscape.net), 
               Nov 02 2006
%p A014479 seq(add(count(Composition(k))*count(Permutation(k)),k=1..n),n=1..17); 
               - Zerinvary Lajos (zerinvarylajos(AT)yahoo.com), Oct 17 2006
%Y A014479 Sequence in context: A165323 A082366 A049388 this_sequence A013992 A129103 
               A111812
%Y A014479 Adjacent sequences: A014476 A014477 A014478 this_sequence A014480 A014481 
               A014482
%K A014479 nonn
%O A014479 0,2
%A A014479 N. J. A. Sloane (njas(AT)research.att.com).

Search completed in 0.001 seconds