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%I A083304 #11 Sep 08 2022 08:45:10
%S A083304 1,5,40,415,5300,80625,1426580,28830155,655940020,16606321525,
%T A083304 463320312500,14130811169655,467881009873460,16718946913855385,
%U A083304 641427749991418900,26301978778076171875,1148144301008330172980
%N A083304 a(n) = (4*(n+5)^n + n^n)/5.
%H A083304 Vincenzo Librandi, <a href="/A083304/b083304.txt">Table of n, a(n) for n = 0..300</a>
%o A083304 (Magma) [(4*(n+5)^n+n^n)/5: n in [0..25]]; // _Vincenzo Librandi_, Jun 29 2011
%o A083304 (PARI) a(n)=(4*(n+5)^n+n^n)/5 \\ _Charles R Greathouse IV_, Jun 29 2011
%Y A083304 Cf. A000312, A083305, A083306.
%K A083304 easy,nonn
%O A083304 0,2
%A A083304 _Paul Barry_, Apr 24 2003

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