%I A003272
%S A003272 0,24,240,504,480,264,95,24,5,0,1,0,1,0,1,0,1,0,1,0,1,0,
%T A003272 1,0,1,0,1,0,1,0,1,0,1,0,1,0,1,0,1,0,1,0,1,0,1,0,1,0,1,
%U A003272 0,1,0,1,0,1,0,1,0,1,0,1,0,1,0,1,0,1,0,1,0,1,0,1,0,1,0
%V A003272 0,-24,240,-504,480,-264,95,-24,5,0,1,0,1,0,1,0,1,0,1,0,1,0,
%W A003272 1,0,1,0,1,0,1,0,1,0,1,0,1,0,1,0,1,0,1,0,1,0,1,0,1,0,1,
%X A003272 0,1,0,1,0,1,0,1,0,1,0,1,0,1,0,1,0,1,0,1,0,1,0,1,0,1,0
%N A003272 Ceiling of -4n/B_{2n}.
%D A003272 Douglas C. Ravenel, Complex cobordism theory for number theorists, Lecture 
               Notes in Mathematics, 1326, Springer-Verlag, Berlin-New York, 1988, 
               pp. 123-133.
%D A003272 F. Hirzebruch et al., Manifolds and Modular Forms, Vieweg, 2nd ed. 1994, 
               p. 130.
%H A003272 <a href="Sindx_Be.html#Bernoulli">Index entries for sequences related 
               to Bernoulli numbers.</a>
%Y A003272 Sequence in context: A159506 A081863 A003264 this_sequence A003245 A006863 
               A052663
%Y A003272 Adjacent sequences: A003269 A003270 A003271 this_sequence A003273 A003274 
               A003275
%K A003272 sign
%O A003272 0,2
%A A003272 N. J. A. Sloane (njas(AT)research.att.com).