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%I #7 Sep 13 2015 21:06:26
%S 1,13,81,325,995,2541,5698,11586,21825,38665,65131,105183,163891,
%T 247625,364260,523396,736593,1017621,1382725,1850905,2444211,3188053,
%U 4111526,5247750,6634225,8313201,10332063,12743731,15607075
%N Column 3 of array in A133713.
%p A133718 := proc(l)
%p A133713(l,3) ;
%p end proc:
%p seq(A133718(l),l=2..30) ; # _R. J. Mathar_, Nov 23 2011
%K nonn
%O 2,2
%A _N. J. A. Sloane_, Dec 30 2007
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