Search: id:A067411
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%I A067411
%S A067411 1,4,24,144,864,5184,31104,186624,1119744,6718464,40310784,241864704,
%T A067411 1451188224,8707129344,52242776064,313456656384,1880739938304,
%U A067411 11284439629824,67706637778944,406239826673664
%N A067411 Third column of triangle A067410 and second column of A067417.
%H A067411 Milan Janjic, <a href="http://www.pmfbl.org/janjic/">Enumerative Formulas 
               for Some Functions on Finite Sets</a>
%F A067411 a(n)= A067410(n+2, 2)= A067417(n+1, 1). a(n)= 4*6^(n-1), n>=1, a(0)=1.
%F A067411 G.f.: (1-2*x)/(1-6*x).
%F A067411 E.g.f.: (2exp(6x)+1)/3=exp(3x)(cosh(3x)+sinh(3x)/3) - Paul Barry (pbarry(AT)wit.ie), 
               Nov 20 2003
%p A067411 with(finance):seq(ceil(futurevalue(4,5,n)), n=-1..18);# [From Zerinvary 
               Lajos (zerinvarylajos(AT)yahoo.com), Mar 25 2009]
%Y A067411 A002001, A067412 (seecond and fourth column of A067410), A000244, A067403 
               (first and third column of A067417), A000400 (powers of 6).
%Y A067411 Sequence in context: A155119 A114169 A121102 this_sequence A045915 A052609 
               A077613
%Y A067411 Adjacent sequences: A067408 A067409 A067410 this_sequence A067412 A067413 
               A067414
%K A067411 nonn,easy
%O A067411 0,2
%A A067411 Wolfdieter Lang (wolfdieter.lang(AT)physik.uni-karlsruhe.de), Jan 25 
               2002

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