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%I #9 Aug 31 2017 03:16:22
%S 1,2,3,5,8,15,27,57,142,381,1110,3484,11678,41566,156319,618829,
%T 2570651,11174315,50704149,239641306,1177394450,6002778135,
%U 31706648191,173250478087,977993291266,5696294311736,34193455142322,211311452026745
%N a(n) = Sum_{k=1..n} ceiling(k^n/n^k).
%C Row sums of number triangle A110535.
%H G. C. Greubel, <a href="/A110536/b110536.txt">Table of n, a(n) for n = 1..635</a>
%F a(n) = Sum_{k=1..n} ceiling(k^n/n^k).
%t Table[Sum[Ceiling[k^n/n^k],{k,n}],{n,30}] (* _Harvey P. Dale_, Mar 01 2015 *)
%o (PARI) for(n=1,25, print1(sum(k=1,n, ceil(k^n/n^k)), ", ")) \\ _G. C. Greubel_, Aug 30 2017
%K easy,nonn
%O 1,2
%A _Paul Barry_, Jul 25 2005