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%I A157800 #18 May 10 2024 16:52:05
%S A157800 1,6,18,27,810,243,10206,2187,65610,19683,1299078,177147,483611310,
%T A157800 1594323,9565938,14348907,7317942570,129140163,103053850074,
%U A157800 1162261467,383546284110,10460353203,1443528742014,94143178827,257010878197710
%N A157800 Denominator of Bernoulli(n, 1/3).
%H A157800 Vincenzo Librandi, <a href="/A157800/b157800.txt">Table of n, a(n) for n = 0..250</a>
%t A157800 Denominator[BernoulliB[Range[0,30],1/3]] (* _Harvey P. Dale_, Nov 17 2012 *)
%o A157800 (Python)
%o A157800 from sympy import bernoulli, Integer
%o A157800 def a(n): return bernoulli(n, 1/Integer(3)).denominator() # _Indranil Ghosh_, May 01 2017
%o A157800 (PARI) a(n) = my(x=1/3); denominator(eval(bernpol(n))); \\ _Ruud H.G. van Tol_, May 10 2024
%Y A157800 For numerators see A157799.
%K A157800 nonn,frac
%O A157800 0,2
%A A157800 _N. J. A. Sloane_, Nov 08 2009

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