Search: id:A053509
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%I A053509
%S A053509 0,0,0,0,1,30,735,17920,459270,12600000,372027810,11824496640,403786706895,
%T A053509 14772648450560,577227041015625,24013333950627840,1060372471758165020,
%U A053509 49558656380297379840,2444960458495625410260,127008768000000000000000
%N A053509 binomial(n-1,4)*n^(n-5).
%D A053509 R. P. Stanley, Enumerative Combinatorics, Cambridge, Vol. 2, 1999; see 
               Prop. 5.3.2.
%F A053509 E.g.f.: -1/5!*LambertW(-x)^5. - Vladeta Jovovic (vladeta(AT)eunet.rs), 
               Apr 07 2001
%Y A053509 Cf. A000169, A053506-A053509.
%Y A053509 Sequence in context: A122186 A166840 A166828 this_sequence A089507 A045689 
               A096722
%Y A053509 Adjacent sequences: A053506 A053507 A053508 this_sequence A053510 A053511 
               A053512
%K A053509 nonn
%O A053509 1,6
%A A053509 N. J. A. Sloane (njas(AT)research.att.com), Jan 15 2000

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