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%I #10 Sep 08 2022 08:45:30
%S 6,18,72,324,1556,7776,39991,209952,1119744,6046618,32981551,
%T 181398528,1004668771,5597440293,31345665639,176319369216,
%U 995685849691,5642219814912,32071565263711,182807922003149,1044616697160851
%N a(n) = ceiling(6^n/n).
%H Vincenzo Librandi, <a href="/A129790/b129790.txt">Table of n, a(n) for n = 1..1000</a>
%o (Magma) [Ceiling(6^n/n):n in [1..30]]; // _Vincenzo Librandi_, Oct 03 2011
%Y Cf. A053638.
%K nonn,easy
%O 1,1
%A _Mohammad K. Azarian_, May 18 2007
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