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A209425 Column 2 of triangle A209424. 2

%I #4 Mar 30 2012 18:37:38

%S 1,12,347,20429,1919660,259227625,47484618291,11331926690549,

%T 3416394867284954,1269892206580345425,570576180005762038644,

%U 304859737124260849580998,191049110542296621467314753,138786261071300963667336947034,115691448070469092032508527982414

%N Column 2 of triangle A209424.

%o (PARI) {a(n)=polcoeff(polcoeff(exp(sum(m=1,n,x^m/m*sum(k=0,m,binomial(m,k)^m*y^k))+x*O(x^n)),n,x),2,y)}

%o for(n=0,20,print1(a(n),", "))

%Y Cf. A209424, A209426.

%K nonn

%O 2,2

%A _Paul D. Hanna_, Mar 08 2012

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Last modified April 25 12:15 EDT 2024. Contains 371969 sequences. (Running on oeis4.)