%I #5 Mar 30 2012 18:52:05
%S 1,1,1,-1,1,-1,5,-691,7,-3617,43867,-174611,854513,-236364091,8553103,
%T -23749461029,8615841276005,-7709321041217,2577687858367,
%U -26315271553053477373,2929993913841559,-261082718496449122051
%N Bernoulli numerators A000367 with an additional 1 inserted to represent B_1.
%C Equivalent to adding a 1 in front of A000367, or removing zeros in A164555.
%C (One could also remove zeros in A027641 which would flip the sign of a(1)).
%C The denominators are in A006954.
%e B_0=1/1, B_1=1/2 "originally", B_2=1/6, B_4=-1/30, B_6=1/42,...
%Y Cf. A165908, A174276.
%K less,sign,frac
%O 0,7
%A _Paul Curtz_, Apr 20 2010